What is 20% of 90 with the work?

How do i answer this The school play includes 60 students. 3/5 of the students are actors. The rest of the students work behind the scenes. a. How many students act in the play? b. How many students work behind the scenes?

A body was found at midnight (12am) in a warehouse where the temperature was 55 degrees Fahrenheit. The medical examiner found the temperature of the body to be 66 degrees Fahrenheit.

Add the two expressions. 3z-4 and 2z + 5 Enter your answer in the box.

Olga deposited $1,500 in a savings account that pays 7.5% interest, compounded quarterly. What is the balance in her account at the beginning of the fourth quarter? a. $1,590 b. $1,560 c. $1,585.97 d. $1,591.81

On average, junior girls own 10 pairs of shoes with a standard deviation of 1.5 pairs of shoes. the distribution of shoes follows an approximately normal curve. what is the probability of selecting a junior girl that owns 12 or more pairs of shoes

9.29 in fraction form

1. Make sure you show all of your work! Change the quadratic to factored form. g (x) = 2x² - 3x-5

A store has 300 televisions on order, and 80% are high definition. how many televisions on order are HD?

Joe is training for a race in 30 days. He needs to run a total of 135 miles. How many miles will joe need to run each day to be ready for the race

Becca predicts that 75% of the people she invites to her party will come. If she wants to have at least 21 guests, how many people should she invite to her party?