Need ! these math problem like this are not my strongest when dealing with math. three boxes are stacked one on top of the other. one box is 5 feet 4 inches tall, one is 2 feet 7 inches tall, and one is 3 feet 10 inches tall. how high is the stack? write your answer in feet and inches. use a number less than 12 for inches.

What is the prime factorization of 195

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.