Solve for r.
-3r-9=1r+2

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?