Find f(-2) for the function f(x)= 3x2-2x+7

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

What is the number 321,000,000 in scientific notation? also what is the number? ?

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 =