It costs $8 for each sandwich a family buys, plus $3 for a gallon of milk. How much will the family spend if they buy 4 sandwiches?

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

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.