Use the formulas for measuring sounds to find the missing value. 
The intensity I of a sound is given. Find the loudness L of the sound.I = 10-7 W/m2
A. L = 70 dB
B. L = 190 dB
C. L = 60 dB
D. L = 50 dB
Answer: D
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Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.Both marbles are red.
A. 
B. 
C. 
D. 
Use a proportion to solve the problem.A punch recipe calls for mixing 3 parts of orange juice with 5 parts of lemon juice. How much orange juice should be mixed with 60 ounces of lemon juice?
A. 36 oz B. 12 oz C. 20 oz D. 100 oz
Find an nth degree polynomial function with real coefficients satisfying the given conditions.n = 3; -2 and -2 + 3i are zeros; leading coefficient is 1
A. f(x) = x3 + 5x2 + 21x - 14 B. f(x) = x3 - 4x2 + 21x + 26 C. f(x) = x3 + 6x2 + 21x + 26 D. f(x) = x3 + 6x2 + 15x + 26
Divide as indicated.
A. m2 + 3m + 4 B. m2 + 2m + 2 C. 2m2 + 2m + 9 D. 2m2 - 2m + 9