Find the inner product for (-8,2) (4.5,18) and state whether the vectors are perpendicular.
a. 1; no
c. 0; no
b. 1; yes
d. 0; yes

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0