Simplify exponents 5^-4over5^3
a.5^7
b.5^-1
c1/5
1/5^7

Amonument at a park is in the shape of a right square pyramid. a diagram of the pyramid and its net are shown. what is the surface area of the monument? enter the answer in the box. m²

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?