During second period, Shawn completed a grammar worksheet. Of the 15 questions, Shawn got 40% right. How many questions did Shawn get right?

Find the roots of the equation below. x^2 - 6 + 9 = 0

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

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?