A teacher pays $39 for 10 books. What is the unit price of each book?

A triangle has a side length of 11, and a side length of 17. The third side length is also a positive integer. How many different possible values are there for the third side length? (Assume that the triangle is non-degenerate.)

A ramp 28 ft long rises to a platform. the bottom of the platform is 15 ft from the foot of the ramp. find x, the angle of elevation of the ramp

What is 250 divided by 5.86

What is 20% of $150.00?

Pine Bluff Middle School is having its annual Spring Fling dance, which will cost $400. The student treasurer reported that the dance fund has $75 left over from last year. Each ticket to the dance costs $4.

Jake recorded a temperature of 9 degrees Celsius, and Kwan recorded a temperature of - 22 degrees Celsius. How much warmer was the temperature that Jake recorded?

Katie knew that 70 + 70 = 140. Explain how she can use this double to solve 70 + 80.

One piece of rope is 60 yards long it os cut into 2 piece so that one piece is 4 timed as longrr as the other piece how long os the longer piece of rope

Alan deposited $300 into a savings account. At the end of the first year the amount of money in the account had increased to $336. At the end of the second year he had $420.

What is the expression in radical form? (7x3y2) 2/7