When Famke charges her phone, it gains percentage points each minute. When Famke uses her phone, it loses percentage points each minute.
Once, Famke used her phone for some time, and then charged it for twice the amount of time she used it. In the
end, her phone lost percentage points.
How long did Famke use her phone and how long did she charge it?

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?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Alogical argument that is presented in graphical form using boxes and arrows is called?