What is the total cost for an item that costs $140.00 and has a sales tax rate of 7.5%

Which table represents a linear function? i'll give brainliest to first answer ^'^

Extra points! find the missing dimension! need asap

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?