What number is half way between 21 and 63?

What is the surface area of a pyramid with a base area of 25ft2 and lateral faces each with areas of 15ft2

What comes after 68?

Given the set A = (), what is the power set of Ap (A) ?

Number Systems (a) Which value is larger, 3.810 or 3.816? Justify your answer. (b) Order the given numbers from smallest to largest. Justify your answer

Marcela took out a $600 discount loan with a 4% annual interest rate over a period of 8 months. How much money does marcela get from the bank when she receives the loan? Round to the nearest dollar.

Find four consecutive odd integers if the product of the two smaller integers is 112 less than the product of the two larger integers.

Here are two squares, A and B. The length of the side of square A is 50% of the length of the side of square B

Which expressions are equivalent to 5 (-2k-3) + 2k5 (-2k-3) + 2k5, left parenthesis, minus, 2, k, minus, 3, right parenthesis, plus, 2, k?

What is the percent decrease from $80 to$64 rounded to the nearest percent

Factor 6 z^3/3 + 1 z^1/3