If a quarter is tossed in the air, what is the probability it will land on tails? 1/2 1/3 2/3 1/4

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.