veronica earned $150 at work this past week in her paycheck. she wants to buy some necklaces which costs $6 each. she writes a function to model the amount of money she will have left from her paycheck after purchasing a certain number of necklaces. she writes the function, f(x)= 15 - 6x. determine what x and f(x) stand for in the function. (1) x=weeks; f(x)= dollars left (2) x=dollars left; f(x)= weeks(3) x=necklaces; f(x)= dollars left(4) x=dollars left; f(x)= necklaces

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8

Find the dimensions of the circle. area = 64π in.² r= in.

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95