Answer:
7a + 8b + 3c
Step-by-step explanation:
Group together like terms and simplifyy
Answer:
167.5
Step-by-step explanation:
For surface area all you have to do is multiply each number by one of the other numbers x2.
Use the order of operations (PEMDAS):
Parentheses, Exponents, Multiplication & Division, and then Addition & Subtraction
************************
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
**************************
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
*********************************
Answers: 114, 160, 144
Answer: 22x-12
Step-by-step explanation:
4x + 6(3x - 2)
= 4x+18x-12
= 22x-12
= 2(11x-6)
