Is y=4x-10 a direct variation

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?