a welder cut several pieces of Steel angle of lengths 7.53 ft 8.83 ft 1.4 ft and 8.0 ft what is the total length of the pieces use the rules for addition and subtraction of measurements

Acar traveling at 65 mph leaves 25 foot skid mark what is the ratio of the speed to length of skid mark (feet) in the simplest form

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?