The stairwell in a museum is in the shape of a cylinder. The diameter is 20 feet and the height is 100 feet. The museum needs to paint the inside of the stairwell. How much paint will be used? (Round to the nearest tenth.)

Carly bought a new house for $125,000. the value of the house appreciates approximately 3.5% each year. what will be the value of the house after 10 years?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.