Complete the equation of the line through (-10,-7) and (-5,-9) Use exact numbers
y = ?
what does y equal

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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?

Is the power produced directly proportional to the wind speed, give reasons for your answer?