Janice needs to read 2/3 of her book by Friday. So far she has read 1/2 of it. What part of the book must she still read by Friday? A. 1/6 B. 5/12 C. 2/5 D.1/3

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Find the domain and range of the following function f(x) = 51x - 21+ 4

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean