Jacqui has grades of 72 and 90 on her first two algebra tests. if she wants an average of at least 73, what possible scores can she make on her third test?

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?

State if the two triangles are congruent. if they are, state how you know?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.