If three samples have means of 10, 20, and 15, respectively, what is their grand mean?

5/3 is less than or greater than 5/2

If a hospital patient is given 50 mg of medicine, which leaves the bloodstream at 10% per hour, how many mg of medicine will remain in the system after 6 hours?

When you double my number and add five you get 17 what is my number

Do you know what is - 7v-3-7?

Cattie started with 12 ounces of water when she began her walk when she finished walking she had 2 1/4 ounces of water left how much did she drink

Mrs brown wants to cook five dishes on a stove with two burners. The time she needs to cook each dish are 40 minutes, 15 minutes, 35 minutes, 10 minutes, and 45 mins. What is the least amount of time she needs to cook all five dishes.

Simplify: - 3 (y+2) ^2-5+6y what is the simplified product in standard form

Dale has 9 homework assignments due this week, and he needs to finish 2 of them before his friend comes over this afternoon. In how many orders can he pick out and complete 2 of the assignments?

What is the probability of drawing a pair of 6 inch pliers and NOT drawing a large hammer

Mrs. lauren made 12 pillows from 16 yards of the same fabric. how much fabric was used to make each pillow