What is the perimeter of triangle pqr whit vertices p(-2,-3) q(7,-3) and r(-2,-3) in the coordinate plane

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.