The maximum height is 64ft and the ballon is only in the air for 2 seconds
Answer:
b. 0.86, 0.87
Step-by-step explanation:
a. Find attached solution to a
You need to provide an image so we can see the choices
Answer:
3
Step-by-step explanation:
Step-by-step explanation:
Using Binomial Expansion,
(x + y)³
= 3C0 * x³ + 3C1 * x²y + 3C2 * xy² + 3C3 * y³.
Therefore the coefficient of xy² is 3C2 = 3.