What polynomial must be added to 2x3 - 4x-6 so that the sum is -x3-4?
o 4x-x+2
O 4x -3x3 +2
O x² - 4x-2
0 –3x² 44-2
0 –3x² - 4x + 2

step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^

yes

step-by-step explanation:

yes

answer: 12   they all have at least 28 days

step-by-step explanation: haha