Anews outlet posted a poll on its website asking what type of drink people preferred. identify the problem with taking a survey this way.

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?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles