Diego made 6 boxes of spaghetti to feed the 20 people who attended his dinner party. Next time, 50 people are coming! How many boxes of spaghetti should Diego but to feed all those people? Explain or show your reasoning.

If f(x)= 3x+6 which of the following is the inverse of f(x)

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.