The mean of 5 scores is 7. When an extra score is included, the new mean is 8. What is the extra score?

What is the product? (X^4) (3x^3-2) (4x^2+5x) ?

1. Solve for p 3 (p + q) = p 2. Solve for b, then find the value of b when a = 3 4a = 2b - 7 3. Solve for r d = rt 4. Find the width of a rectangle with a perimeter of 90 and a length of 15 A. 90 B. 15 C. 45 D. 30

A father is 4 times as old as his son. In 20 years the father will be twice as old as his son. Find their present ages

11. Change the fraction 8/50 to a decimal. A. 8.5 B. 0.0016 C. 0.085 D. 0.16

Using the distributive property, which expression is equal to 7 (9 - 5) ? 7*9 - 7*5 7*9 + 7*5 7 (5 - 9) 7+5 - 7+9

What two things should be done before one performs a regression analysis?

A heart beats 264 beats in 3 minutes. What is the unit rate? A) 78 beats in 1 minute B) 78 beats in 2 minutes C) 88 beats in 1 minute D) 176 beats in 2 minutes

Bucket of water. You have brought two unmarked buckets to a stream. The buckets hold 7 gallons and 3 gallons of water, respectively. How can you obtain exactly 5 gallons of water to take home?

What is the answer to a subtraction problem called

5-4x=6-4x How do I solve this