Marco rides his bike home from the library. after 12 minutes, marco is 2 miles from home. after 18 minutes, he is 1 mile from home. what is the total distance, in miles, of the bike ride?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota