What is the equation of a line that passes through the point (1,8) and is perpendicular to the line whose equation is y=x/2 + 3

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

The height, h, of a cylinder is 5 units less than 3times its radius, r. which expression represents the height of the cylinder in terms of its radius