Find the center and radius of the circle with the equation:
(x-3)2 + (x - 1)2 = 16
a. center: (-3,-1)
radius: 4
b. center: (-3,-1)
d.
radius: 16
center: (3, 1)
radius: 4
center: (3, 1)
radius: 16

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?