Which graph represents the solution set of the system of inequalities?

{y≥12x+1y> −x−2

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?