Solve (x + 9)2 = 25.
1. Apply the square root property of equality:
2. Isolate the variable.
Vix + 5)2 = 1/25
If x + 9 = 5, then x=
If x +9=-5, then x =

According to a survey by the beach lifeguards, there is a 25% chance that surfers will see a dolphin while surfing. which simulation could you use to answer questions about whether a surfer will see a dolphin?