Gloria has a lunch account in the school cafeteria. the balance, f(x), in her account can be represented by the function f(x) = –1.50x + 40, where x is the number of meals purchased. suppose –1.50 changed to –2.75. what does this mean in the context of the problem?

a. changing –1.50 to –2.75 means her initial balance has decreased.
b. changing –1.50 to –2.75 means her initial balance has increased.
c. changing –1.50 to –2.75 means the price per meal has decreased.
d. changing –1.50 to –2.75 means the price per meal has increased.

Which properties describe all matter?

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

Name the type of chemical that speeds up digestion