Answer:
10
x + y = 5
Step-by-step explanation:
Using the formula, write in standard form.
Short side length = x
Medium side = x + 7
Long side = 5x
Total 49, so
x + x + 7 + 5x = 49
If you combine like terms:
7x + 7 = 49
Subtract 7 from both sides
7x = 42
Divide both sides by 7
x = 6 inches
<h3>
Answer: -3, -1, 1</h3>
Explanation:
The domain is the set of all allowed x values in a relation. We simply list each unique x coordinate of the (x,y) points given to form the domain.

10 to the power of 6 equals 1,000,000.