What is the sum of the given polynomials in standard form?
(x2 – 3x) + (–2x2 + 5x – 3)

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

What is x and y intercepts for y=x+7

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?