Evaluate the expression when a= yo
6
3
and x=
7
כס|נים
8
- 2x + a
Write your answer in simplest form.

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.