You are about take an 8 question multiple choice test .each of these questions has 4 answers (a, b,c, d). how many ways can you answer the test if you leave an answer for each question

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$