For the train line and exercise for what would the expected sales be if the costs were set at $6.50explain what that means in the context of the data

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

Let x = a + bi and y = c + di and z = f + gi. which statements are true?