Catherine found that as she increases the price of a chocolate bar, the number of sales per week decreased.

week - number of sales
1 - 149
2 - 143
3 - 137
4 - 131
5 - 125

a. write a formula for the arithmatic sequence that represents the number of sales per week.

b. exlain how you could use the information to predict the number of sales for the eighth week.

Write a story that matches with the expression 42x-5 pls hurry

What is the prime factorization of 230

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?