What is the standard deviation for a normal distribution of the times of the first seven runners?

A die is rolled. What is the probability that the result is less than 3?

The carpeting for the porch costs 1.20 per square foot. calculate the cost of carpeting the living roo

Three different stocks were ordered. The purchase prices were 8 ⅜ dollars, 12 ⅛ dollars and 15 ⅜ dollars.

Xy = 6 | 2x - y = 1 Solve each system by substitution

Y is less than or equal to 3/2x

Peter has decided to save $30 each week to buy a new stereo system. Write a direct variation equation for the amount of money, m, that Peter has saved in, w, weeks.

Solve the equation |k+6| = 3

What is 3,817,453 to the nearest hundred

Let R=qs4, when s=8, R=16. When s=10, R is equal to

A seven digit telephone number is of the form ABC-DEFG. In one particular state, the digit 'A' can be any digit except 8 and 9. The digits B and C can be any digit from 1 - 8.