Answer: 
<u>Explanation:</u>
y varies directly with x means:
; where k is the rate
It is B I know because I did this a while ago
Answer:
See below.
Step-by-step explanation:
An example will illustrate the method:
(2/3)^3
= 2^3 / 3^3
= 8/27.
Answer:
15 units
Step-by-step explanation:
The picture of the question in the attached figure
we know that
Triangle XYZ is a right triangle, because segment ZY is tangent to circle X at point Y
so
Applying the Pythagorean Theorem

we have

substitute the given values


Answer:
the formula is y=mx+b
Step-by-step explanation:
Sorry I wasn't sure exactly what you were asking. I hope that helps