What is the midpoint of a segment with endpoints at (-4,-8) and (8,10)

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Nikolas calculated the volume of the prism. his work is shown below.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x