What is the equation of the line that contains the point (–5, –1) and has a slope of 4? write in slope-intercept form.
a.
y = 4x – 19
b.
y = 4x + 19
c.
y = 4x – 1
d.
y = 4x + 1

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.