B.) y=3x
The slope of a given line is defined by <em>y=mx+b</em>, where b is the y-intercept (the point at which the line crosses the y-axis) and m is the slope (rise/run). We see that the y-intercept is 0 (because the line hits the y-axis at 0) and the slope is 3 (rise=3 and run=1, so 3/1=3).
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Answer:
6
Step-by-step explanation:
Answer:

Step-by-step explanation:
The first trinomial is

Let the other trinomial be P.
Then

We make P the subject to obtain,

We simplify to obtain,

Hence the other trinomial is 
Answer:
-3.8
Step-by-step explanation:
-3.8+7.2=3.4
Answer:
b
Step-by-step explanation:
Each box represents 1/3. 5/3 of white is 2 boxes more so red needs 2 boxes more than white. 5 red and 3 white is the only one that follows the criteria.