Apply the distributive property to factor out the greatest common factor. 16a + 48

For the equations below which statement is true ? -2x=14 6x=-42

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

What else equals 42 and 30 for multiply