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Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

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?