Find the expression that represents the length of the hypotenuse of a right triangle whose legs measure 2x to the power of 2 - y to the power of 2 and to the power of 2xy

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie