The dimensions of a square are altered so that one dimension is increased by 7 feet, while the other is decreased by 2 feet. The area of the resulting rectangle is 90ft squared. Find the original area of the square.

Define a variable write an equation and solve the problem. the length of a rectangle is twice the width. an equation that models the perimeter of the rectangle is 2w+4w=36 where w is the width of the rectangle in ft.

How do i solve 1/z^-6

If u = 3 - 4i and v = 3i + 6, what is u - v.?

What is 318.25 meters in word form

Eight-tenths gran of a chemical is put into each jar. How many jars can be filled with 192 grams of the chemical?

What is the percent of. 065

Factor z^2-3z-18 A. (z+8) (z-10) B. (z+2) (z-9) C. (z+3) (z-6) D. (z-3) (z-6)

What is 6/8 divided by 2/6

Jeremy bought four books the cost of three of the books were $13, $10 and $15. the average cost of the four books is at least $14. what is the minimum cost of the fourth book?

Angelo family drove 254.6 miles their car used 19 gallons of gasoline describe the cars gas mileage