There are 25 students in mrs. Murphys math class, of these students 10 have brown hair, 8 have black hair, 5 have blonde hair, and 2 have red hair. what percentage of students in mrs. Murphys class have black hair?

A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 64.0kg and he a mass of 76.0kg, and they start from rest 23.0m apart. Find his initial acceleration.

What is the most likely elevation of the mountain below? a. 774 meters b. 871 meters c. 922 meters d. 985 meters?

Samantha has a rectangular shaped fish tank in her room the tank of the height of 2.6 feet a width of 2.1 feet in a length of 3.98 where is the best approximation of the amount of water for fish tank can hold

What is the volume of 24/100+2/10+16/100

What are the solution (s) of - 3 (x - 1) = x - 5?

1. a model rocket is fired vertically into the air at 320 ft/s. The expression - 16t^2+320t gives the rocket's height after t seconds. factor this expression Factor each expression or state if it cannot be factored. 1. 13q^4+2p^2 2. 14n^3+7n+7n^2 3.

Yolanda's club requires that 60% of the members be present for any vote. If at least 30 members must be present to have a vote, how many members does the club currently have?

Give an example of a positive temperature and a negative temperature that have a difference of 5°F.

5506 divided by 57 with remainder

Find the value of the product. 2 sin (52.5°) sin (97.5°)