Use a z-test to test the claim about the population mean y at the given level of significance a using the given sample statistics.
Claim: < 5.500; a = 0.01. Sample statistics: X = 5.497, s = 0.011, n = 36

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

What is the 8th term of the geometric sequence with this explicit formula? an= )(n-1)