Calculate the standard deviation of the data set below. (7, 9, 10, 11, 13)

Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 40 minutes. If she could increase her average speed by 1 km/hr, it would reduce her time around the loop by 6 minutes. How many kilometers long is the loop?

If 1.5% of a number is 60, what is the number?

Josephine noticed that out of 10 e-mails she received, 7 were advertisements. What can she predict about the number of advertisements she will receive in the next 100 e-mails? She will receive 7 advertisements. She will receive 10 advertisements.

If 1*2 = 5, 3*5 = 13, and 2*7 = 16, what is 6*8?

A pyramid has a square base with sides 8" and a slant height of 5". total area = a. 224 square units b. 200 square units c. 144 square units

Describe the difference between simple and compound interest and which type of interest earns money more quickly

The charts show the effect of an interest rate adjustment on an adjustable-rate mortgage. Before adjustment, the principal is 200,000 dollars, the monthly interest rate is.

Chef Johnson used 4 1/2 cups of flour to make 4 fruit cakes how many cups of flour are needed for 1 fruit cake

A cone has a radius of 5 feet and a height of 18 feet. If the radius of the cone is tripled but the volume remains unchanged, what will be the new height of the cone?

What is 3/4 * 4/9 equal