It is 2 :)
Y=A sin(B(x+C))+D
Where A is equal to the amplitude.
Would appreciate brainliest answer :)
The answer is -.2.5 hope that help
First you add 87 +89 which equals 176.
second you multiply all the numbers you want to divide, which, to save time, equals 69,120
176 / 69,120 = 0.0025462962963 (0.003 if needing to round)
Answer:

Step-by-step explanation: