ASAP PLEASE What is the sound level for a noise that has an intensity of 9.9 × 10-5 watts/m2? (I0 = 10-12 watts/m2)

A,
8.00 dB

B.
9.90 dB

C.
80.00 dB

D.
99.00 dB

Determine the relationship of ab and cd given the following points

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.