Answer:
B. 18x, -x, 21x
Step-by-step explanation:
They are like terms becuase you can add them.
Please give brainliest (:
Maria got 21 correct.
Number wrong = Total - Number right
y = 25 - 21
y = 4
Maria got 4 wrong.
Hope this helps!
Answer:
V=1384.74 cubic units
Step-by-step explanation:
1) Substitute the values into the volume formula for a cylinder which is
2) Using PEMDAS solve for V
3) First, you square 7 to get
4) Next, mulitply the three numbers together to get V.
Answer:
Step-by-step explanation:
Pythagorean Theorem:
In this case, a = 9, b = a, and c = 15.
The, we subtract 81 from both sides getting:
,
Then,