I need help asap ;)/(:):

C) 6.25(b + 4) = 50.00

Step-by-step explanation:

I'm pretty sure this is right

C

Step-by-step explanation:

50 is the total amount of money spent. The total amount of money spent is the cost of a book * number of books bought. If b is the number of books expected, then b+4 is the number of books bought. You multiply (b+4) by 6.25, which is the cost od an individual book, and that equals the total cost, 50 dollars. This is the equation represneted by C

2/3x + 7 = 29

step-by-step explanation:

two thirds = 2/3

plus a number = x

at least 29 = 29

there for you should get 2/3x + 7 = 29

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here