What is the value of this expression
-16+12
A.-28
B.-4
C.4
D.28

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

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.