


<h2>PLEASE MARK ME AS BRAINLIEST </h2>
Answer:
39.52
Step-by-step explanation:
Answer:
17.)
+
- 
18.) 
19.) 
20.) 
21.) 
22.) m^{6} +2m^{5} + m^{4}
23.) 2
m
^{7}+
3
m
^{6}
+
2
m
^{4}
+
10
m
^{3}
+
15
m^{
2}
+
10
Step-by-step explanation:
17.) Distribute
to all of the terms in the parenthesis.
18.) Combine Like Terms (x and
) Multiply all other terms by
19.) Multiply terms within the separate parenthesis together
20.) Use FOIL and expand the polynomial
21.) Use FOIL and expand the polynomial
22.) Combine like terms and multiply the contents of the parenthesis by the exponent
23.) Expand (
m^{
4}
+
5
)
(
2
m^{
3}
+
3
m
^{2}
+
2
) by multiplying each term in the first expression by each term in the second expression.
You would want to subtract 10x from 6x to get -4x and then you divide 4 by -4 to get -1 so x=-1
Answer:
$25
Step-by-step explanation:
His grandma gave his $20 because .25*80=20
So his uncle gave him $25 because 45-20=25