This year the school library plans to increase its total of 1210 books by a factor of 1.1 how many books will the library have?
(this is related to the first problem that i just submitted)

Which best explains why this triangle is or is not a right triangle?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .