A sail on a pirate boat has a height of 30 feet and a width of 50 feet. A smaller, similar sail has a width of 25 feet. How tall is the smaller sail? The smaller sail has a height of feet.

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Solve this problem! extra ! 3025/5.5 = a/90.75