Is -1 a solution to 12=14-2f? is (2,-6) a solution to y=-3x? which ordered pair is a solution to y=6x-1? (-3 ,-17) (-1 ,7) (3 ,17)

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible