Find the length s of the arc of a circle of radius 20 miles subtended by the central angle 33º

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup