from a solid cylinder whose height is is 2.4 cm and diameter is 1.4 CM a conical cavity of the same height and same diameter is hollowed out find the total surface area of the remaining solid to the nearest cm²

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?