Askydiver jumped out of a airplane 520 feet above the ground. he pulled his parachute at 270 feet. what was his change in elevation

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?