Answer:
The length of PQ is 64 units
The sum of the given expression is 6b^2+8b-15
<h3>Sum of expression</h3>
Given the following expression
(6b^2+5)+(8b-20)
We are to take the sum. On expansion;
6b^2+5 + 8b-20
Collect the like terms
6b^2+8b +5 - 20
6b^2+8b-15
Hence the sum of the given expression is 6b^2+8b-15
Learn more on sum of expression here: brainly.com/question/723406
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Yes, it is fairly reasonable... if you round it..
however, if you want exact calculations, then it might not be so reasonable, because it will go over the total amount
so if you round it, then yes it is fairly reasonable
Answer:
C
Step-by-step explanation:
Use the circle area formula.
A = pi * r^2
A = pi * 4^2
A = pi * 16
A = 50.27
