10. each day, valerie charges her lunch
account for her lunch. if the cost of lunch is
$3, then by how much has her lunch account
been impacted over a period of 15 days?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?