Can anybody explain how to do this? The answer I keep getting isn't one of the options. Which choice is equivalent to: 5^-2 * 25^-1
a. 5^3
b. 5^4
c. 5^-1
d. 5^-4

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?