In the figure, the radius of circle A is twice the radius of circle B and four times the radius of circle C. If the sum of the circumferences of the three circles is \(42\pi\), find the measure of AC.
Examine the following equation and determine the y-intercept and slope: \(y=-x\)
a. Slope is -x and intercept is 0
b. Slope is -x and y intercept is -1
c. Slope is -1 and y intercept is 0
d. Slope is -1 and y intercept is -1
In the rectangle, if \(SQ=11x-26\) and \(PR=5x+28\), find PR.