What is a great circle?
a. a circle on a sphere made by performing a plane cut anywhere on the sphere
b. a circle on a sphere that has the same radius and center as the sphere itself
c. a circle on a sphere that doesn't pass through the sphere's center
d. another name for a sphere

B

Step-by-step explanation:

It's not D. A sphere is a sphere. A billiard ball is a billiard ball. Both are spheres. No other name applies to the sphere.

It is not C. That might be true if you are talking about a circumference.

The exact definition is B. B is the answer.

A is not true. The cut must go through the center as B suggests.

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

5050 i think

step-by-step explanation: