The original cost of skateboard cost $68. the skateboard sold at a cost of $51 during clearance sale. what was the percent of decrease in the cost of the skateboard?

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

What is the absolute value of -100000000000000?