Uilder notation. Express the answer in interval notation..
(-00,-9]U[-5, 0)
[-9, -5]
(–9,5)
[-5,00)

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Quadrilateral ghij has coordinates g(5, 1), h(4, -3), i(6, -1), and j(2, 1). if the quadrilateral is reflected over the line y = x, what are the coordinates of h'?