Answer:

Step-by-step explanation:
The given rational function is

Let

Interchange x and y

Cross multiply

Expand

Solve for y;

or

Therefore

Answer:

Step-by-step explanation:
ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:

We have:

Substitute:
<em>cross multiply</em>

Use the Pythagorean theorem:

Substitute:

Answer:
Point (-5,21) would end up in quadrant II (2).
Step-by-step explanation:
It would end up in quadrant 2 because x=-5 which means it would go left.
y=21 which means it would go up.
Because of this, the point would end up in the top left of the graph which is quadrant 2.
Answer:
9
Step-by-step explanation:
10a+7
<u>10(1/5)</u> + 7
<u>2+7</u>
9
Answer:
It stopped raining at 3:54
Step-by-step explanation: