Answer:
C) football's height after 3 seconds
Step-by-step explanation:
Diameter- Is two times the radius. Circumference is the distance around the edge of the circle.
Radius- A line from the center of a circle to a point on the circle.
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Its d 729 because on 1 layer theres are 81 cubes and there are 9 layers so 81 times 9 equals 729
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Let's translate the words into expressions:
11 less than 7 times a number is 
5 more than 6 times the number is 
So we have the equation

Subtract 6x from both sides:

Add 11 to both sides:
