If x = -1, y=3 and 3 and z = 4, evaluate 2 (xyz)^2

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place