A square is altered so that one dimension is increased by 4, while the other dimension is decreased by 2

The area of the resulting rectangle is 55. Find the area of the original square.

Find an upper limit for the zeros of 2x 4 - 7x 3 + 4x 2 + 7x - 6 = 0

What is 1,000,000 written as a power of ten?. A. 107 B. 106 C. 10^6 D. 10^7

How do I convert 50 femtograms to milligrams?

Emma is doing a science project. She is measuring the time it takes a snail to move 5 kilometres. It takes the snail one hour to move 1 20 of a kilometre. If the snail moves at the same pace, how long will it take the snail to move 5 kilometres?

What is another way to write 138 - (-89) ?

Mr. Henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts a n equal number of each in the 2 machines. how many bouncy balls does he put in each machine

What is the equivalent ration for 12/30

Morgan mowed 12 lawns in 2 hours. What was her rate of mowing in lawns per hour? Express your answer in simplest form.

If y=-4 when x=10 find y when x=5

If C (x) is the total cost incurred in producing x units of a certain commodity, then the average cost of producing x units of the commodity is given by C¯ = C (x) x, for x > 0.