The formula for a regular polygon, which this one is, is A = 1/2 ap where a is the apothem and p is the perimeter. 20.8 * 7 = 145.6 which is the perimeter, so now just multiply by 21.6 and .5. 145.6 * 21.6 * .5 = 1572.48, or B above.
Answer:
y/9x
Step-by-step explanation:
symplify

Answer:
X = 9
92 + 34 + 54 = 180 degrees
Step-by-step explanation:
180-14x + 92 + 3x + 7 = 180
-11x + 99 = 180 - 180
99 = 11x
X = 9
Answer: she would have to use 5 seed packets
This is because every seed packet has 15 plants so 15 x 5 would equal 75
If you only use 4 packets you would be short 5 plants so you have to add another packet to get all 65 plants
The answer would be 2. This is because inverse means opposite, and since f(x)=-2, then that means the inverse would be 2.