Rita paid for a $2.95 sandwich and a $1.19 drink with a $10 bill. About how
much did her lunch cost? About how
much did she receive as change?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone

Write the percent as a fraction or mixed number in simplest form. 0.8%