You and your classmates are asked to simplify the expression below. One of your classmates incorrectly claims that the expression simplifies to 13 and 1/8 . What is the correct value of the expression? What error did your classmate likely make?

Its simplified to

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

What is the absolute value of the complex number -4-sqrt2i

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay