Santiago buys T-shirts for $6 each and marks up the price by 45%. How much profit does Santiago make from each T-shirt sold?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

What expression is equivalent to 42x-56y

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .