at a used book sale sarah bought x paperback books priced at 0.25 cents each and y hardcover books priced at $045 each. She bought a total of 8 books and paid $2.60 in full. Solving which of the following equations would give the correct cause of x and y?

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

cant open file sorry!

step-by-step explanation:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6