Which statement is true?

(a)if the x-intercept of a line is given by (0, b), b can never equal zero.
(b)a line of x = a (where a is not zero) cannot have a y-intercept.
(c)if the y-intercept of a line is given by (a, 0), a can never equal zero.
(d)a line with a zero slope cannot have a y-intercept.

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15