How do you pass algebra class

Acircle has a circumference of 28.36 units what is the diameter of the circle

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000