5 would be the dependent variable because the number 5 depends on how many greeting cards are bought.
a. At its maximum height, the ball has zero vertical velocity, so


b. The ball's height in the air
at time
is given according to

Solve for
when
:

The answer is 588 because if you multiply 6.75 percent of 4800 by 13, and then subtract it from 4800, you get 588.
Answer:
When s=2, A=24
Step-by-step explanation:
We are given the formula 
We need to solve and find value of A , when s=2
So, putting value of s in the given formula we can find value of A
The formula given is:

So, by putting s= 2, We get A=24
Answer:
H) 2
Step-by-step explanation:

=
[since 0 < x < (π/2) and
]
= (1 + 1)
= 2
We know that in general,
by
we mean the positive square root of x only.