Solve the system of equations and choose the correct ordered pair. 2x - 6 y = 8
5x - 4y = 31
A. (7.-1)
B. (1,-1)
C. (8,2)
D. (7.1)

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!