Which expression does NOT have a Greatest Common Factor? 2x^2 +8x + 4
9x^4 + 2x^2 + 7x
9x^2 – 16
3x^2 – 12

Me with this one question, and i'll upvote the brainliest answer

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Which expression is equivalent to 3^3 + 2^2?