The arithmetic mean of ten boys is 8 years, 6 months one of them is 13 years old. then the arithmetic mean of remaining 9 boys is
a)9.5 b) 9 c) 8 d) 7

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base