The center of a circle is at (−3, 1) and its radius is 9. what is the equation of the circle?
a.) (x+3)2+(y−1)2=81
b.) (x−3)2+(y+1)2=18
c.) (x−3)2+(y+1)2=81
d.) (x+3)2+(y−1)2=18

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p