Which is the following method uses estimation to check 267-154=113?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool. how far is the ball from the opposite edge of the pool