1. The table lists postage for letters weighing as much as 3 oz. You want to mail a letter that weighs 2.1 oz. Graph the step function. How much will you pay in postage? Weight Less Than Price 1 oz $0.40 2 oz $0.65 3 oz $0.90 Postage price:

step-by-step explanation:

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

you have to find the same variables -3n - 5n so this would be -3n +(-5n) which equals -9n

4.28095238095 that is the answer