express the answer to that all exponents are positive on the following expressions: (12x^3)^-2 and x^-5 y^4/x^8 y^7

express the answer to that all exponents are positive on the following expressions: (12x^3)^-2 and x^-5 y^4/x^8 y^7

pls explain fast i need it

The area of a rectangle is x4-y4/8xy and the length is x2-y2/2xy a. What is the width of the rectangle? b. If you double the length of the rectangle but keep the same width, what is the new...

A tennis racket normally costs $70. The tennis racket is on sale for 60% off. What is the sale price of the tennis racket?

More specifically, I currently have it written as X ≤ Y ≤ Z, but I want to also specify that Y is the default while X and Z only come into effect if Y falls outside of their limit. Or, if more information...

A rocket that explodes not on impact, but explodes on a timer will be shot from myself to the enemy. The timer can only be inputted at the start of the shot. The rocket can only go straight and has...

this is about math

A rocket that explodes not on impact, but explodes on a timer will be shot from myself to the enemy. The timer can only be inputted at the start of the shot. The rocket can only go straight and has...

a little stuck on a formula 1/r=1/r1+1/r2 solve for r1

I need help on my math homework, im am so confused please help!

I need help understanding how you get the answer

Martin had 7 pounds of grapes left, and he gave away 2 5 of them. Explain how to use compatible numbers to estimate the amount of grapes he gave away.

I need the answer to this problem... it is a word problem and it is 20% of my grade. My professor said that you have to do a lot a work (subtraction is involved) I will only get 1/4 credit if I don’t...

i need help i dont under stand

it needs to be in an expression form.

There are three consecutive integers half the sum of the first and third number is 28 what are the integers

A ball is thrown vertically upward. After t seconds, its height, h (in feet) is given by the function h(𝑡) = 88𝑡 − 16𝑡2. After how long will the ball reach its maximum height?

EXPONENTIAL EQUATIONS & FUNCTIONS 1)A culture of bacteria doubles in weight approximately every 2.5 hours. The number of bacteria after t hours later can be approximated by 𝑁(𝑡) = 175(2...

A rowing team rowed 90 miles while going with the current in the same amount of time it took to row 10 miles against the current. The rate of the current was 4 miles per hour. Find the rate of the...

Jamie and Pat volunteered to paint the hall in the E wing. If it would take Jamie 10 hours to paint the hall alone, and take Pat 5 hours to paint the hall alone, how long will it take them to paint...

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