Solve the system of linear equations by substitution.
1/2x +y=-4
y = 2x + 16

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

How do you write y-10=2 (x-8) in standard form