A set of weights includes a 4 Ib barbell and 6 pairs of weight plates. Each pair of plates weighs 20 lb. If x pairs of plates are added to the barbell, the total weight of the barbell and plates in
pounds can be represented by f(x) = 20x + 4.

15 points ! ~ see if you know the answer to both you!

1. what is the measure of ∠abc? what is the measure of ∠abd?

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are