If a lead atom has an approximate mass of 3.4 x 10-25 kilograms, and a hydrogen
atom has an approximate mass of 1.7 x 10-2 kilograms, which of these statements
is true?

Factor p 2 + 18p + 32. (p+ 4)(p + 8) (p + 2)p+ 16) (p + 16)2

Evaluate cos2θ for cosθ = square root of 3/2

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.