On a spelling test of 25 words, patrick spelled 17 more words correctly than he spelled incorrectly. what percent of the words did he spell incorrectly?

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

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?