Evaluate
5x-2y;x=2,y=-1

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

What expression is equivalent to (84+16)

Anutrition company is marketing a low calorie snack brownie. a serving size of the snack is 3 brownies and has a total of 50 calories. determine how many calories 21 brownies would have