Circle P has a radius of 5 centimeters. Point Q lies on circle P, and the equation of is . Which equation could be the equation of a line tangent to circle P at point Q?

A. 2x + 5y = 1

B. 2x + y = 3

C. 5x + 2y = 7

D. 2x – 5y = 2

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42