Dora is keeping track of the number of books she has read during the current school year. she has already read 4 books.
which equation shows the total number of books, y, dora will have read by the end of the school year?
a. y = 4x, where x represents the number of books dora has already read
b. y = x + 4, where x represents the number of books dora has already read
c. y = 4x, where x represents the number of books dora reads between now and the end of the year
d. y = x + 4, where x represents the number of books dora reads between now and the end of the year

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?