Evaluate the following expression. 1/5^-2

a) -25

b) -1/25

c) 1/25

d) 25

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.