Which statement is true?
All squares are rectangles
All quadrilateral are rectangles
All parallelograms are rectangles
All rectangles are square

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry