Step-by-step explanation:
42
=21+21
=42
OR
10+32
=42
Use the order of operations (PEMDAS):
Parentheses, Exponents, Multiplication & Division, and then Addition & Subtraction
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1) (8 - 2) + 18 x 6
<u>Parentheses</u> (8 - 2)
6 + 18 x 6
<u>Multiplication</u> (18 x 6)
6 + 108
<u>Addition</u> (6 + 108)
114
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2) (15 + 29 - 4) x 4
<u>Parentheses</u> (15 + 29 - 4)
40 x 4
<u>Multiplication</u> (40 x 4)
160
******************************
3) (13 + 5) x (13 - 5)
<u>Parentheses</u> (13 + 5) and (13 - 5)
18 x 8
<u>Multiplication</u> (18 x 8)
144
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Answers: 114, 160, 144
I am not 100% positive but think it is c
The answer is -8. hope i helped
The mean if the following set is 6
