Find the value of the expression

j − 14

for j = 18.

7x+8y=-18, 4x-9y=-3 solve the system of equations

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.