subtract like terms
5a^3 - 6a^3 = -a^3
7 - 4 = 3
answer is -a^3 + 2a^2 - 4a + 3
the radius of the distance between the middle point of the circle and the outside, we have the diameter which is 6 so the <u>radius will be 3</u>
slant height is

h is 4.7 and r is 3

<u>slant height is 5.58427</u>
lateral surface area


<u>lateral surface area is 52.63053</u>
total surface area



<u>total surface area is 80.90486</u>
The x becomes negative because the negative sign at the start of the parenthesis distributes to everything inside parenthesis so x becomes -x and the double negative becomes +6 so that is why
plz mark brainliest if it helps
2x-1=5
2(3)-1=5
6-1=5
5=5
x=3