At the deli jimmy bought $17 worth of food. the tax on the bill was 6% and he left an 18% tip on the pre-tax amount.

which expression can be used to calculate the tip jimmy left?
a) .18(17)
b) .18[17 +(.06)(17)]
c) .18 (17 + .06)
d) 18[17 + 6(17)]

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

An entertainment firm offer serveral dj choices and light shows that range in price based on the rental time period. the djs cost between $219 and $369 per night and the light shows cost between $159 and $309 per night. if you are booking both a dj and a light show write a compound inequality that represents the possible total amount you would pay x

The life, in years, of a certain type of electrical switch has an exponential distribution with an average life b = 2. if 100 of these switches are installed in dif- ferent systems, what is the probability that at most 30 fail during the first year?