Phil has to pick two sports to write a report on. If there are 8 possible sports to choose from, how many different combinations of pairs are possible?

A. 28 pairs

B. 12 pairs

C. 18 pairs

D. 10 pairs

Suppose that the moment of inertia of a skater with arms out and one leg extended is 2.9 kg⋅m2 and for arms and legs in is 0.90 kg⋅m2. if she starts out spinning at 4.

The number of calories burned at the gym is normally distributed with a mean of 425 and a standard deviation of 51. Find the z-scores for each data value.

Is 23/10 greater than 23%

What is the [H+] of a solution with a pH of 6.6? Use a scientific calculator.

N+5n=30 what does n equal

Round 40.82 to the nearest hundreth

9 9/10 + 6 7/10 add and reduce to lowest terms

What is the domain of the function { (1, 1), (0, 0), (2, - 1) }

What is the product of 4xy and y^2 + 2x? A) 4xy + 4xy^3 B) 8x^2y + 4xy^2 C) 8x^2 + 4xy^3 D) 8x^2y + 4xy^3

Gregg is trying to save $800 for a vacation. He makes $15 an hour and works 40 hours a week for a total of $600 a week. After paying expenses he saves 1 3 of his earnings. Which calculation yields the amount of money Gregg saves each week?