Question 7 of 9 The Commutative Property does not work for which operations? Check all
that apply.
O A. -
B. X
O C. +
O D division

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Having a hard time understanding this question (see attachment).

Which of the following represents the factorization of the trinomial below? x^2+7x-30