Will mark brainliest for whoever answers. How can I solve this problem?

42.5%

Step-by-step explanation:

i dont think the a b and c are multiple choice they are steps to solve the problem

the events in the problem are rebecca approving couch 85% and her roomate approving the couch 50%

a: rebecca approving couch 85%

b: roomate approving the couch 50%

probability rebecca and roommate approves is percentages multiplied.

85% times 50% = 0.85*0.5

=0.425

42.5%

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

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step-by-step explanation: vsfdvsfvd