For parts (a)–(c) answer the questions and complete the statements in the space provided. Show your work and justify your solution! The median
CD
of a triangle ΔABC is a half the length of the side
AB

towards which it is drawn, AB = 12 in, m∠B=50˚.
Find: CD, AD, m

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form