Marvin collects trading cards. he stores them in boxes that hold 235 cards each. if marvin has 4 boxes full of cards, how many cards does he have in his collection?
a)940
b)920
c)800
d)705

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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?