Answer:
Step-by-step explanation:
First,
$640+$710+$700+$685=$2735.(total expenditure).
$2735÷4=$683.75.TOTAL AVERAGE.
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Equation 1 x=-16
Equation 2 m=-3
Equation 1
3x-x=-24-6
2x=-32
x=-32/2
x=-16
Equation 2
-2m=16-10
-2m=6
m=6/-2
m=-3
(3,-1)
Sorry this is late!
The product of 21 and 18
When you multiply the word is product
18 combinations