Answer:
true
Step-by-step explanation:
Answer:

Step-by-step explanation:
To find the answer we have to first group the like terms:

therefore

so

Answer:
Step-by-step explanation:
y = k*x This is the formula for a direct variation.
- y = 20
- x = 4 Substitute these values into the direct variation
20 = 4 * k Divide by 4
20/4 = 4k/4
k = 5
Answer: the constant of variation is 5
Answer:
width= 3.17
Step-by-step explanation:
Divide 38 (the area) by 12 (the width)