How do i write 3x+y=7 in slope intercept form

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5