Find the first fourth and eighth terms of the sequence a (n) = - 2*5^n-1

The area of a rectangular ice-skating rink is 900 square yards. If the length of the rink is 100 yards, what is the width of the rink?

What is - 10>-8 (1+6*) - 2

There were 70 runners to start a race. In the first half of the race, 1/5 of them dropped out. In the second half of the race, 4/7 of the remaining runners dropped out. How many runners finished the race?

Simplify the algebraic expression y^2 (y^2+19) + 3y-5+8^0. do not leave negative exponents.

7/9 of toms money is 56 what is half of toms money

Write an expression that best represents the context of the word problem. Solve for the unknown values. Type a numerical answer inthe space provided. Do not use spaces in your answer.

Which type of unemployment is characterized by caused by a lack of demand for workers as a result of a shrinking economy?

What is x times y with the exponent 2?

Convert 5/-6 to decimal

Katie has a cube with an edge length of 3 inches. Malea has a cube whose volume is 8 times greater than the volume of Katie's cube. What is the length of Malea's cube?