there are 150 students in a marching band and 30 of them play trumpet. whats the percentage of people that play trumpet

How high is the moon

Sam has 79 model cars. He wants to give them to 4 of his friends. He wants each friend to have an equal number of cars. How many model cars will benny have left?

28 girls went camping. There were 2 main activities: Volleyball and swimming. Fourteen girls went swimming, 5 participated in both activities, and 4 girls did neither. How many girls only played volleyball? Show work. Isn't the answer 5?

Which statements about the hyperbola are true? Check all that apply. There is a focus at (0, 4). There is a vertex at (-4, 0). There is a directrix units from the center. There is an asymptote with a slope of The center is (0,-1).

What is the probability, P, of an event that is certain to occur? P =

The equation y = 0.002x - 0.30 can be used to determine the approximate cost, y in dollars, of producing x items. How many items must be produced so the cost will be no more than $387?

Skinny Malone has a lot of pets he has 4 more goldfish than Turtles and one less Canary than goldfish six of his pets are birds. he has two parakeets. How many pets does skinny have?

Kathy had $45.67 in her checking account. She wrote a check for $65.23. What was her balance after the check was cashed? A. $110.90 B. $39.56 C. - $19.56 D. - $110.90

The sides of a triangle are 15, 20 and 25. Find the length of the shortest altitude

Divide M2 N3 / P3 by MP / N2. A. M3 / NP2 B. MN5 / P4 C. N3 / P4 D. MN / P2