Describe the error in the work shown below. Find an expression equivalent to 18+30.
Factors of 18:1, 2, 3, 6, 9, 18
Factors of 30: 1, 2, 3,5, 6, 10, 15, 30
18 + 30 = 6(3 + 10)

Twenty points. 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

What’s -11-33k and factor each expression completely

Anyone know these questions? i need ,.