Answer:
-9x
Step-by-step explanation:
Without the confusing parentheses, this "polynomial" becomes -8x + x -2x. If we take 2 away from -8, it becomes -10. If we add a positive x, it becomes -9x. Therefore, the answer is (the monomial) -9x.
Answer:
445 dollars
Step-by-step explanation:
You are given he charges 47.5 per hour so 47.5x is how much you will pay for x hours and he charges a 65 dollar service fee.
So together he is charge you 47.5x+65 for x hours.
If it spends 8 hours, the cost will be 47.5(8)+65=445.
Answer:
$585
Step-by-step explanation:
Find 25% of $450:
$450 × 0.25 = $112.5 ⇒ this is how much money the business is donating.
Find 5% of $450:
$450 × 0.05 = $22.5 ⇒this is how much money the politician is donating.
Add those two amounts to the amount the student raised:
$450+$22.5+$112.5= $585