What is the mean for the data set?

682, 605, 648, 678, 654, 612, 606, 621, 642, 679

express your answer as a decimal to the nearest tenth.

633

631.5

642.7

654

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

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

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.