A jar contains 10 red marbles and 30 blue marbles. what is the probability of randomly selecting a red marble from the jar?

Oliver built a mailbox and wants to know exactly how much it can hold. What is the total volume of the mailbox?

How much do parents pay per day? If a childcare center charges $150 per week during the school year. In the summer, parents can pay a prorated amount based on the number of days of attendance.

If JL=17 and KL=15 what is JK and JM?

Finish the pattern 18, 21, _, 24, _, 30

A scale drawing of an American flag is 10 inches and 6 inches tall the actual flag is 3 feet tall. What is the area of the actual American flag?

Nt earns $11.00 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 9 hours of overtime, and 12 hours of holiday time. How much did she earn last week? A.

Sarah use three-quarters pound of blueberries to make a half a cup of jam how many pounds of blueberries would she need to make a cup of jam

A photograph club has 100 members and 45 are women what fraction of women represent

Find the mean of 7 numbers if the mean of the first 4 numbers is 5 and the mean of the last 3 numbers is 12. What is the mean of the combined data sets?

1/2 (8-4x) Simplify using distributive property