Answer:
Time equal to 3.30 seconds when the arrow was going up.
Time equal to 7.94 seconds when the arrow was going down.
Step-by-step explanation:
Trust me
Answer:
4
Step-by-step explanation:
using





Answer:
-6
Step-by-step explanation:
Reduce the expression by cancelling common factors
(x-4i)(x+4i)=x^2+16
(x^2+16)(x-5)=x^3-5x^2+16x-80
Answer is B