Acertain computer loses half of its value every two years. after how many years will the computer be worth 12.5% of the initial value?

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

50 points~ ! i have to turn this in tomarrow