NEED HELP ASAP !!
What is the area of a circle whose radius is 6ft? (Use Π)

Question 4 options:

6 Π ft2

9 Π ft2

36 Π ft2

72 Π ft2

Step-by-step explanation:

In area for a circle, you have to use this formula:

A = 3.14r^2

If you have diameter, divide that by 2.

A = 3.14 × 6^2

A = 3.14 × 36

Now for what I see for the answer choices, the answer would be...

36π ft^2

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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answers

rauschg

rauschg · hand

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step-by-step explanation: