Which of the following circles have their centers on the x-axis?
Check all that apply.
A. (x-4)2 + (y-0)² = 22
B. (x-0)2 + (v-0)² = 25
C. (x + 1)² + (y-7)² = 16
D. (x-0)2 + (v-5)2 = 49