Suppose you have a distribution, x, with mean = 6 and standard deviation = 2. define a new random variable y = 8x - 3. find the mean and standard deviation of y.

Toby sells nachos at the baseball concession stand. each serving if nachos contains about 3 1/3 onces of chips. which is the best estimate of the number of servings of nachos Toby could make from a 51 5/8 once bag of chips?

Melanie found 63 she shells and 26 starfishes on the beach she gave Dan some of her seashells she has 38 seashells left how many seashells did she give Dan

A phone bill was paid 25.45 which included a basic fee of 4.95 plus the amount of her long distance calls what is the cost of her long-distance calls?

7 * (-3) * (-2) 2 = ? A. 84 B. 48 C. - 84 D. - 48

What is the x-intercept of the graph of the function f (x) = x2 - 16x + 64?

Seven more than the quotient of a number b and 45 is greater than 5

Fill in the blanks so that each pair of ratios forms a proportion 3:3 and 9:?

Maya runs each lap in 4 minutes. She will run more than 9 laps today. What are the possible numbers of minutes she will run today? Use t for the number of minutes she will run today. Write your answer as an inequality solved for t.

If x = 9 and y = 1589 Then find x+yf

Simplify the following expression (w^8) 8