Find the area of the shaded region. Use 3.14 for pi.

What are “like terms”? why can we only add like terms?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /