Marty has 54 emails. of these, 22 are from his friends at school. to the nearest percent, what percent of the emails are from marty's friends at school?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?