PLEASE HELP Deana's Deli has a mean delivery time of 23 minutes with a standard deviation of 2 minutes. Determine the z-score for the number of sandwiches delivered in less than 24 minutes.

A. −0.5
B. 0.5
C. 11.5
D. 12

How much orange juice do you need to make 2 servings of lemony orange slush?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.