Choose the equation and the slope of the line that passes through (7.-1) and
is parallel to the x-axis.
o
a. slope: 0
d
b. equation: x = 7
o
c. slope: undefined
d
d. equation: x= -1
o
e. equation: y = 7
o
f. equation: y = -1

The library sells 376 books at its annual used-book sale. the sale takes in a total of $2119. children's books cost $4, and adult books cost $7. let x = number of children's books sold, and let y = the number of adult books sold. which system of equations can the librarians use to model this situation?

Which are reasons to get a claim peer reviewed? check all that apply. a peer review verifies conclusions. a peer review proves everyone else wrong. a peer review maintains standards of the field. a peer review identifies sources of errors. a peer review gains direct funding.

Round 419,825,312 to the nearest million