How to solve +85+(-23)+12

How to solve +85+(-23)+12

x, y, and z are positive integers

i don't what the answer to this question is.

Barry has $30. He spends $9 for lunch. Puzzle magazines cost $4.50 each. how many puzzle magazines Barry could buy?

the permittee of a rectangle is 18x+6. The width of the rectangle is 2x+5. what is an expression for the length of the rectangle?

What is X?

Solve each system by graphing Y= 5/7x + 4 Y=-1/7x -2 And Solve by substitution 4x + 3y = -8 -8x + y = -12

Orange? juice, a raisin? bagel, and a cup of coffee from? Kelly's Koffee Kart cost a total of ?$2.40. Kelly posts a notice announcing? that, effective the following? week, the price of orange juice...

equation is: X^2-11x+24=0 thanks again :)

(3x+4)/3 - (x-1)/5=2 P.s the whole equation is equalling to 2 and there is a subtraction sign in the middle not a negative sign. THANKS!

Suppose that the combined are of two squares is 360 square feet. Each side of the larger square is three times as long as a side of the smaller square. How big is each square?

If you roll a standard six-side die, what is the probability of rolling a 3? Write your answer as a fraction, decimal, and percent

Homework assignment. And I'm missing a step.

8 $ 2=16 12 $ 4=9 15 $ 5=9 200 $ 40-25 30 $ 25=1.44 18 $ 63=0.25 what is 75 $ 30=??

I don't know how to set this up and I am needing help. My professor did not tell me how to do this nor does my book

Boston Red Sox baseball team won 96 games out of 162 games played. Write a ratio for the number of games Won to the total number of games played.

a small business owner bought 15 new computers for his company. he paid $700 each desktop and $1000 for each laptop computer. If he paid $11,700 for the computers, how many desktop computers and how...

If you motor home gets 16 miles per gallon. How many kilometers per liter does it get? And if you stop with an empty tank and buy 320 liters of fueL, how many miles can you drive ?...

The sum of four consecutive integers is 508. Find the integers.

A triangle contains three angles: A,B and C. Angle B is twice angle A, and angle C is 20* more than angle A. Find the measures of the three angles.

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