Let x be the maximum speed of the plane and y be then speed of the wind. what is the speed of the plane with no wind ?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)