B) 1) Which of the following represents the commutative property of addition? a) 9+7 = 7 +9
b) 5+1 = 4+2
C) 8+ 3 = 6 +5

2) Which of the following does not represent the commutative property of
addition?

a) 8 + 6 = 6 +8
b) 10+2 = 10 + 2
c) 4+ 5 = 5 + 4

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.