Which equation results from taking the square root of both sides of (x + 9)2 = 25? x + 3 = ±5 x + 3 = ±25 x + 9 = ±5 x + 9 = ±25

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47

the diameter is 16 cm. are you a teacher?

step-by-step explanation: