Write an inequality and use substitution to solve the following problem: A farmer has 1,000 pounds of grain in his silo. During the harvesting season, he can harvest 400 pounds of grain each week. If the farmer wants to sell 2,500 pounds of grain, what are the possible number of weeks he has to harvest the grain?
Check all that are true.

2 weeks

4 weeks

5 weeks

7 weeks

15 weeks

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

Identify the number as a regional or irrational. explain. 291.87