Plz giving brainiest
modeling with mathematics the linear function m=55-8.5b represents the amount m (in dollars) of money that you have after buying b books.

1. find the domain of the function.
a.)0, 1, 2, 3, 4, 5, 6$

.5,-2.5,-3.5,-4.5,-6.5,-7.5,-8.5

c.)all real numbers greater than $0$

d.)all whole numbers less than $100$

2.
is the domain discrete or continuous? explain.

the domain is because the amount of must be a number.

discrete or continuous books or money decimal or whole number

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer