How many degrees are in a three quarter rotation?

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How many degrees are in a half turn?

Gears A and B rotate are indicated in the diagram below. What is the minimum number of complete revolutions gear A must make for the gears to align again as shown?

A transformer has a primary voltage of 480 volts and a secondary voltage of 120 volts. If the primary windings have 700 turns, how many turns are in the secondary windings?

How many vertices does a heptagon have?

What is the number of degrees through which the hour hand of a clock moves in 2 hours and 12 minutes?

How many reflectional symmetries does a regular decagon have?

At what times are the hands of a clock perpendicular?

What is the position of Earth during winter months and summer months?

One day the temperature dropped from 4 degrees F to -15 degrees F. How many degrees did it drop?