A line, y=mx+b, passes through the point (6, -2) and is perpendicular to y= 3x + 8. What is the value of b? help!

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Who long does it take to drive 150 miles at 45 miles per hour