Answer:
Step-by-step explanation:
MX = XN
5r² + 2r + 52 = 4r² + 12r + 27
5r² - 4r² + 2r - 12r + 52 - 27 = 0
r² - 10r + 25 = 0
(r - 5)² = 0
r - 5 = 0
r = 5
4r² + 12r + 27
4•5² + 12•5 + 27
4•25 + 60 + 27
100 + 60 + 27
187
The Second one
I hope I helped you.
Solve the exponents first:


Add the results together:

The answer is
35.
Answer:
the answer is 15
Step-by-step explanation:
because 110÷7$
I would say A hope it’s right
They should use "Mean" in order to calculate <span>the measure of central tendency .
In short, Your Answer would be Option A
Hope this helps!</span>