Use these numbers to form a proportion 14,16,28,8

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

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)