James wants to send two gifts by mail. one packages weighs 2 3/4 pounds. the other package weighs 1 3/4 pounds. what is the total weigh of the packages?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared