(−8a^2 b^3)/(−2a^5 b^−4 ) i need help with this

(−8a^2 b^3)/(−2a^5 b^−4 ) i need help with this

you may assume that x≠-2

(n+3)/(n2-5n+6) + (6)/(n2-7n+12)

How do you write in algebraic expression. Let x represents the unknown number. One-half a number,minus seven,loud four times the number.

Simplify?

I can't figure out how to simplify this correctly for my homework. Please help if you can. Thank you.

Simplfy 5(x + 4) - (x - 1)

I am having trouble working a geometric equation backwards with ratios on the base length and height

I am stuck trying to properly simplify this equation to make it workable on my own. (volume equation for pyramids) 6=(1/3)Bh Where the height has a 2:3 ratio to the...

(ks*m2 )/s To (k*m2)/s2

suppose the probability of selling a car today is 0.36. Find the odds against selling a car today

Simplify completely: 2/3 - x 9/7 + x

(X^2/x-3)-(9/x-3)

How do you write in algebraic expression. Let x represents the unknown number. One-half a number,minus seven,loud four times the number.

Please help me figure out the following problems: 1-4/x2/1-2/x-8/x2 and Solve for t: 10-1/2t-1= t/2t-1 ...

The seinfield's family room measures 21 feet by 28 feet. They are covering the floor with square tiles that measure 1 foot on a side and cost $0.82 each . How much will they spend on tile?

Of the 40 plays attributed to a playwright , 18 are comedies , 12 are tragedies , and 10 are histories . If one play is selected at random, find the odds against selecting a comedy.

6/n+4 - 2/n-4 Final Answer is 4n-32/(n-4)(n+4) Still clueless though

This is for my math hw, I'm not doing so well. Can someone help?

10x^2y (x+y)^2 x^2-y^2 --------- • ----------- ÷ ----------- x^2+xy 2x ...

Simplify these expressions: A) {(2x^2y^3)÷(3xy^4)}^2 B) {(x^3y^-2)÷(x^-1y^5)}^-1