Answer: -3 x 3= -9 x -1= 9
Step-by-step explanation: So, you need to times -3 with 3 and you should get -9 then, times -9 with -1 and you get 9.
Answer: y = 1/2x + 1
Step-by-step explanation:
Answer:
Option a is the correct choice.
Step-by-step explanation:
Let n be number of hours studied by Nikki.
We are told that Cindy studied seven more hours than Nikki studied. This means that number of hours studied by Nikki plus 7 hours equals to the number of hours studied by Cindy.
We can represent this information in an expression as :

We can see from our given choices that expression given in option a represents the number of hours studied by Cindy in terms of hours studied by Nikki.
Therefore, option a is the correct choice.
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