Which of the following explains why, in many of the problems, historical data is used?
a. better math problems can be made from historical data.
b. up-to-date information is difficult to find.
c. information changes rapidly.
d. it is an opportunity to study history at the same time.

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

is it 35

step-by-step explanation: