Find the annual interest rate. i=$160, P=2000, t=8 months

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49