Answer:
3x+4
Step-by-step explanation:
f(g(x))=3(x+2)-2
=3x+6-2
=3x+4
Answer:
y = -3x +9
Step-by-step explanation:
Answer:
189
Step-by-step explanation:
7 x 27 = 189
Total sales = $3600
Commission earned on $3600 = $576
Commission rate can be calculated as = 
= 16%
Hence, commission rate is 16%
Answer:
$28.62
Step-by-step explanation:
As investment is $318 and interest rate is 9% over the year so we'll calculate 9% of $318
9% of 318=(9/100)*318
which is equal to $28.62