Betsy volunteers at community hospital for 21 hours each week. if there are 168 hours in a week, what percentage of her time does she spend as a volunteer in a week?

How many different letter arrangements can be made from the letters in the word "happiness"?

Eva had 7/8 gallon of paint. His brother ivan used 1/4 gallon to paint his model boat. Eva needs at least 1/2 gallon to paint her bookshelf. Did ivan leave her enough paint? Write an equation and fill in the bar diagram to solve

Jeff trip will cost $9.00 if he has 2 attendees at the conference of there are 36 attendees how much will the trip cost

If the probability of you passing this test is 70%, what is the probability that you will not pass this test?

Determine whether the situation calls for a survey, an observational study, or an experiment. You want to find out if years of jogging has an effect on cardiovascular health.

Match each equivalent angle 90° 120° 135°

Write a quadratic function f whose zeros are - 6 and - 2. f (x) = ?

The Venn diagram shows three types of numbers: odd (O), even (E), and prime (P). Which is represented by Ø?

Find the value of 6x - 5 given that - 17x - 9 = 8

Solve X/15 = 4/5. Solve for x