Answer:
b = 7
Step-by-step explanation:
108 = -2(-5 - 7b)
Distribute -2 to the terms inside the parenthesis:
108 = 10 + 14b
Subtract 10 from both sides of the equation to isolate 14b:
108 - 10 = 10 + 14b - 10
98 = 14b
Divide 14 on both sides of the equation to solve for b:

7 = b
You can multiply the price of the journals with the answer choices and add that amount with how much his backpack cost and that'll give you your final cost.
<h2>
Answer: C. 4 notebooks</h2>
Okay to find the percent version of 0.624 you multiply by 100. 0.624×100=62.4%. Now as a fraction the last number behind the decimal is in the thousandths place so put 624 over 1000. 624/1000 simplified it would be 78/125
It would be either C or A, sorry I cant help anymore than that
Answer:
a =74,321
b. 41,042,523,288
c. 414,832,917
Step-by-step explanation:
because two odd numbers becomes a even number
5 + 5 = 10 7 + 7 = 14 etc
so in the problem you sent 13 and 15 being odd numver will result in a even number when added