The equation of a line a is given by 3y=x+12 - Find line c that is perpendicular to line a and passes through the point (6, -8)

Through: (-3,-3) parallel to y= 7/3x+3

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?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base