Answer:
7854 cm²
Step-by-step explanation:
3.14 x 50² = 7850
The answer should be D since after 5 am to 7 am only two hours have passed so x=2, and then you plug in the x as 2 and solve it. You might get not around answer like 39.785 but when you round it, it would be 40.
Answer:
When
and
:

Step-by-step explanation:
-8ab can be seen as -8×a×b. Insert the given values:

Simplify multiplication from left to right:

Insert and solve:

:Done
Answer:
21
Step-by-step explanation:
y+9 = ?
y=12
12+9=21
<u>Answer:</u>
<h2>A.</h2>
The graph shows the solution set of the equality √x < -1
<em>(No Solutions)</em>