The graph at the right shows a proportional relationship between x and y why does this mean all the x and y ratos are equivalent?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?