Answer:
17
Explanation:
(x + 8) + (8x + 1) = 90
Combine like terms to get:
9x + 9 = 90
Subtract 9 on both sides:
9x = 81
Divide by 9:
x = 9
Plug in 9 for x in
9 + 8 = ?
9 + 8 = 17
<h2><em>3 \ ALLOWANCE</em></h2><h2><em></em></h2><h2><em>A. How many total students do chores?</em></h2>
Answer: B
Step-by-step explanation:
An equation is y=mx+b for regular equation stander form. C would automatically be eliminated that leaves you with A and B... a you don't have a y intercept so you would start at zero.
You have to pay an entrance fee plus any other souvenirs you would want. so the entrance fee would be the y intercept in "B"
The answer is D, 40%. I got it by knowing that 3 and 4 were the success numbers and that 0,1, and 2 were unsuccessful and that numbers 3 and 4 are less than half, so I went with 40% and it was right. Good luck apex! Finish strong!