The mean of five numbers is 6. if one of the numbers is removed, the mean becomes 7. what is the value of the number that was removed?

Which of the following best describes the expression 3x + 2y + 8z? The product of three sums; there are three terms The sum of three products; there are three terms The product of three sums; there are six terms The sum of three products;

Given a standard 52-card deck and a 5-card hand, how many unique hands are there with at least 1 club or no aces?

The smallest of the 3 circles with center D has a radious of 8 inches

Cylinder A:diameter=7in., height=12 in cylinder B:diameter=12 in., height=7 in

A prestigious investment bank designed a new security that pays a quarterly dividend of $3.70 in perpetuity. The first dividend occurs one quarter from today. What is the price of the security if the annual percentage rate is 3.

How many triangles can you draw which have one side of length 4 cm, one side of length 7 cm, and one side of length 12 cm?

Multiply and simplify: 10x (9x^2 + 6x + 7)

B ∩ U A = U (B ∩ A).

Kylee bought a pack of 12 cookies. one-third if the cookies are peanut butter. How many of the cookies in the pack are peanut butter?

How do you know the opposite of a nonzero integer?