Answer:
x = 3.75
Step-by-step explanation:
ABC is a right angled triangle.
Therefore, by Pythagoras theorem:

The answer is attached as a word file
Answer:
$25 per month
Step-by-step explanation:
$685 - $85 (installation fee) = $600
$600 / 24 (12 months in a year x2 for 2 years)
$25 per month
Xy + yx+ x - 3x - 3y
xy + yx + -2x + 3y