Answer:
y=1/5x
Step-by-step explanation:
Slope is 1/5. The y-intercept is 0.
Answer:

Step-by-step explanation:

Remove the unnecessary parentheses

Collect like terms


Hope I helped!
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Answer:
<em>a = 1 ; b = - 8 </em>
Step-by-step explanation:
x² + 2x - 7 = (x² + 2x + 1) - 1 - 7 =<u><em> (x + 1)² - 8 </em></u>
<em>a = 1 </em>
<em>b = - 8</em>
There is a 1:10 chance of the needle landing on 9.
Rotation of 180 is the correct answer