The arithmetic mean (A) of two numbers (a and b) is given by the formula, and their geometric mean (G) is given by. Their harmonic mean (H) is given by the formula. Which formula correctly gives H in terms of a and b?

Find the value of each value

What is the effect on the graph of the function f (x) = x when f (x) is replaced with - f (x) + 5?

1180 divided by 4 show your work

Compare the speed of the basketball at position A and D. Explain your comparison

The sum of 21and 4 doubled

Melanie got paid $8.40 per hour at her job. Her friend, Chrissy, got paid $8.45 per hour at her job. Who got paid the highest amount per hour

Backtrack 3a+11=29 say the answer

Three divided by a number x

Without shoes, Morgan steps on a scale and weighs exactly 65 pounds. Morgan puts a pair of sneakers and holds a basketball that weighs 23 ounces. Now she weighs 68 1/4 pounds. How much does the shoe weigh? show your work.

Find the length of a rectangular box if the volume is 60 cm3, width 4 cm, and height 2 cm.