Due tonight! Please help me on this geometry question!

360 degrees

Step-by-step explanation:

Well, we can go about this two ways

Let's just use the sum of a flat line in terms of degrees to find it

So the equation is:

(180-71)+(180-124)+(180-76)+(180-89)

Simplify that and you get 360

The other way you can do it is that 71+124+76+89=360. Since this is a polygon, that means the sum of all its interior angles will be 360 and that means that all of the exterior angles, since their all practically just opposites of the interior angles, also add up to 360.

Tell me if you have any questions.

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2