What is the volume of a sphere with a diameter of 6.8 inches? Round the answer to the nearest tenth.

A. 1316.4 in3
B. 48.4 in3
C. 28.5 in 3
D. 164.6 in 3

Write 17/20 as a decimal and as a percent.

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?