<span>An expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
Source: Google's definition
</span>
Answer:
12
Step-by-step explanation:
see the pic for the steps
<span>Question 3
Solve for d.
13d + 4 = 43
13d = 39
d = 3
answer
A. 3
</span><span>Question 4
Solve for r.
4r - 6 = 30
4r = 36
r = 9
answer
D. 9
</span>
<span>Question 5
Solve for u.
126 = 6u
u = 126/6
u = 21
answer
B. 21
</span>
Answer:
l:6 w:9
Step-by-step explanation:
<u> 54 </u>
1 54
2 27
3 18
6 9
