Suppose you did a survey of male shoes size and the mean of that survey was size 10.5 with a standard deviation of 1.5. What is the z-score of a size of 8.5?

Why is the location/direction of a vector important in analysis?

7*300=7 * find product

Steve put $500 into a savings account. At the end of one year, he had earned $30 in interest. What interest rate was the bank paying?

Emma borrowed 89.40 from her sister. She determines that she can pay her back in 6 months worth of allowance. What effect will Emma's repayment have in her monthly bank account?

Brigitte is shorter than 5 feet (Brigitte's height = h

Arithmetic and geometric

P=q + 5 2p + 3p = - 20 linear equations

If the mean weight of 3 outfielders on the baseball team is 194 lb and the mean weight of the 6 other players is 229 lb, what is the mean weight of the 9 -person team?

6x+3y=15 what is the ordered pair of the solution

Question: If each girl used one marshmallow per smore how many marshmallows were used in all? Show your work.