Answer and explanation:

(x + 6)(x + 7)
List the multiples of 42
42: 1 2 3 6 7 14 21 42
Then see which of the multiples add up to 13
1 x 42 = 42 --> 1 + 42
13
2 x 21 = 42 --> 2 + 21
13
3 x 14 = 42 --> 3 + 14
13
6 x 7 = 42 --> 6 + 7 = 13
64% of 75 = 64/100 x 75 = 48 <==== answer
Answer:
the slope of the line is 2 over 1 which means the answer is 2
the rate of change is c
To find the slope of the line you have to go rise over run.
to find the rate of change you have to see how much does the numbers in y go by.