Answer:
my teacher gave me the exact answer for this
Step-by-step explanation:
Answer:
8640 square inches
Step-by-step explanation:
There are 12 inches in one foot so there would be 12 * 12 = 144 square inches in 1 square foot. Therefore, there are 144 * 60 = 8640 square inches in 60 square feet.
X^2 + 10X + 21
(X + 3)(X + 7)
Answer:
Uhh
Step-by-step explanation:
Jhbnhhnmjh

Using the fact that cos is 2π-periodic, we have

That is,
for any
and integer
.

We get 2 solutions in the interval [0, 2π] for
and
,
