Answer:
Make, sum, total
Step-by-step explanation:
There are many terms in the word list that could be used to describe how Rob had solved the sum in his head. He had made and arranged numbers vertically in his head then sum it and at last he found the total.
<em><u>The equation to find the length r of the red ribbon is:</u></em>

<em><u>Solution:</u></em>
Let "b" be the length of blue ribbon
Let "r" be the length of red ribbon
To find: equation for length r of the red ribbon.
The length of the blue ribbon is two - thirds the length of the red ribbon
Which means,

Therefore,

Thus the equation to find the length r of the red ribbon is found
Given the midpoint and one endpoint of a line segment, find the other endpoint.
Endpoint: (-9, -1), midpoint: (8, 14)
Answer:
Got u whats the channel
Step-by-step explanation: