Calculate the percent yield if 500 grams of C7H8 makes 255 grams of C7H7NO2 1 C7H8 + 1 HNO3 = 1 C7H7NO2 + 1 H2O

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What point is the projection of q on a) r b) s c) t

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

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?