Three is added to a number, and then the sum is multiplied by 4. the result is 16. find the number.

What is the prime factorization of 23 ?me with this question

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 function has a range {yly< 5}? question on picture above^