Answer:
X^3 + x^2 + x
Step-by-step explanation:
First, distribute the negative sign to the numbers in the second parentheses. Then you’ll need to combine like terms.
Answer:

Step-by-step explanation:
Required
The graph equation
From the graph, we have:


The slope of the graph is:




So, the graph equation is:




In standard form, we have:

Any portion of the circumference of a circle is called a radius
She will need 12 seconds because -20•12=-240