Using context clues, infer the meaning of the idiom in the sentence below. my mother very rarely bakes homemade cookies; it only happens once in a blue moon. in the sentence above, "once in a blue moon" means it hardly ever happens it happens only late at night it happens all the time it happens only when the moon was full

A)  It hardly ever happens

The idiom that something only happens once in a blue moon means that something rarely ever happens

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.