"the gikmpr is a regular polygon. the dashed line segments form 30° angles.
diagram of a six-sided polygon with a triangle inside of it
find the image of line oq after a rotation of 180° about point o.
line on
line oh
line oj
line ol"

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?

Which system of linear inequalities is represented by the graph?

For the equations below which statement is true ?