If ax+x^2=y^2-ay what is a in terms of x and y?

Suppose r varies directly with t and that r=40 when t=5. what is the value of r when t=11?

A rectangle is drawn so that the width is 4 feet shorter than the length. the area of the rectangle is 32 square feet. find the length of the rectangle.

Chris is 3 years older than Jacob. Nathan is eighteen years old. Two years ago the sum of all their ages was 59 years old. How old is Jacob?

Find the total cost for a $579 smartphone with 5% sales tax

What is not equivalent to 36/72

Decrease £180 by 12.5%

A blueprint of a house shows a wall that is 5 inches long. If the blueprint is drawn to a scale of 1:60, what is the actual length of the wall in the house?

28 times 1/6 in fraction form

Which chart is good for showing the following? For each part, choose the most appropriate chart from the charts listed.

Larry is renting an apartment that will cost r dollars per month. He must pay a $100 application fee and a $25 credit report fee. His security deposit is two month's rent, and he must also pay the last month's rent upon signing the lease.