What number i s bigger 0.485 or 0.5

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Secant be and cf intersect at point d inside a what is the measure of cde