Answer:

Step-by-step explanation:

First we square the parenthesis. Apply FOIL method to multiply


distribute -2 inside the parenthesis

Now combine like terms

112-37=75
75/5=15
So 15 weeks until she has 112 cards
The answer is between Day 3 and Day 4. If you look at the slope of the line between Day 3 and Day 4, you can see that it's horizontal, whereas the other slopes are very steep. Therefore, the answer is between Day 3 and Day 4.
Answer
C
Explanation
There are no repeating numbers for x
The secret number has a 7 in the ones place. The tens number is an odd number?
This number is 79. Hope I helped.