Which is an example of the commutative property? a. –8 + (–13) = –13 + (–8) b. 16 + (–16) = 0 c. 11 + (–14 + 5) = (11 + (–14)) + 5 d. –(22 + 1) = –22 + (–1)

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics