What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 42°?
a.96°
b.84°
c.138°
d.69°

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?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.