I pretty sure the form is 2, and she bought 10 books, 5b-7=58
13 = 1.625 * 8
26 = 1.625 * 16
39 = 1.625 * 24
Therefore y vary directly with x.
Answer: C ) yes ; y = 1.625 x
Answer:
Step-by-step explanation:
y=4x^2-7
vertex(0,-7)
<u><em>20</em> palindromes exist that qualify this criteria rigorously</u>
Examples:
52025, 52125, 52225, 52325, 52425, 52525, 52625, 52725, 52825, 57975 etc.