Wants to buy a video game that cost $299 and his parents will pay 40% what will be the part he has to pay

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

New york is the 27th largest state in the united states. what percent of the 50 states in the us are larger than new york

Jane evaluates x^2-3x+5 for x=2 below. step 1: (-2)^2-()+5 step 2: =-4+6+5 step 3: =7 what, if any, was jane’s mistake? a)jane made no mistakes. b)jane incorrectly evaluated(-2)^2 in step 2. c)jane incorrectly added the terms in step 3. d)jane incorrectly substituted in x=-2in step 1.