The cost of a ticket to an amusement park is $42 per person for groups up to 8 people, the cost per ticket decreases by $3 for each person in the group. marcos's ticket cost $30. write and solve an equation to find the number of people in marcos's group.

Find the indicated value, where g(t) = t^2-t and f(x)= 1+x a. -2 b. 0 c. 2 d. 8

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 diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be