Which expression results in a product that is rational? (a)square root of 7 times square root of 10 (b)square root of 8 times square root of 10 (c) square root of 9 times square root of 10 (d)square root of 10 times square root of 10

What is the inverse of the function f(x)=2x+1

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

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.