2 Points The equation below describes a circle. What are the coordinates of the center
of the circle?
(x + 5)2 + (y + 7)2 = 212
O A. (-5, -7)
O B. (5,-7)
O C. (5,7)
O D. (-5,7)
SUBMIT

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution