GIVING BRAINLIST PLEASE HELP!! In the figure at the right, if PQ is perpendicular to QR,
then a + b + c + d =?

A) 180°
B) 225°
C) 270°
D) 360°

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3