Answer is C here is why hope. This helps
The answer is -1 because a coefficient is the number in front of the variable which is -1 because there is an invisible 1 before the x
Answer:

Step-by-step explanation:
f=v+at
It requires you to make a the subject of the formula
f-v=at
Dividing both sides by t then

Therefore, the equivalent for a is 
Answer:

Step-by-step explanation:
Joint variation problem solve using the equation y = kxz.
e ∝ fg
e=kfg
now substitute the values

The relationship will be:

So you write into the table that x = 1 then y will equal 1*1.5 which equal to 1.5. So under x = 1 in y table you write y = 1.5, and so on