Leroy borrowed $1500 at an annual simple interest rate of 12%. He paid $270 in interest. For what time period did Leroy borrow the money?
A)8 years
B)18 months
C)5 years
D) 18 years

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Use the distributive law to multiply. 3(4x + 5y + 6)

Write an equation for the function that includes the points (2,100)and (3,100)