Please help me with this.. thanks

Twelve friends shared 8 small pizza equally.how many pizzas did each person get?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base