<span>6(-3r)=-39+3r
-18r = -39+3r
39 = 18r + 3r
39 = 21r
39/21 = r
13/7 = r
r = 13/7</span>
Answer:
Quality Plumbing charges more per hour.
In the graph, you can see that it would cost $150 for their work plus $100 per hour based on the slope of the line.
A Plus Plumbing charges $140 for their work plus $60 per hour.
<span>denominator is </span>number below the line in a common fraction.
Here's picture to show what is a denominator:
Answer:
8
Step-by-step explanation:
x+x+7=23
2x=16
x=8
<span>7 billion is 10 times greater than 700 million.
7,000,000,000/700,000,000=10</span>