A.) Mark is correct as every increase in x of 2 equals a y increase of 4
No its not am sure its not
To write

as a terminating decimal we will turn this fraction to a decimal. To do this we will divide the numerator by the deliminator and the result will be the decimal.Then we will check if it is a terminating decimal or repeating decimal. Lets do it:-

78 ÷ 25 = 3.12
3.12 is a terminating decimal. So,

as a terminating decimal is
3.12.Hope I helped ya!!
The first column. The rule for that column is y = x * -4.