Alyssa decides to pay for a new tv that costs $1,700 . alyssa made a 15% down payment for a one-year installment. the monthly payment $130.

a. what is the amount of the down payment?
b. what is the total monthly payment ?
c. what is the finance charge ?

What are the domain and range of the function? f(x) = -4 (sqrt)x

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.