a. The marginal densities

and

b. This can be obtained by integrating the joint density over [0.25, 1] x [0.5, 1]:

Answer:
7.1/10. 81/100. Pitch Perfect (2012)
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Step-by-step explanation:
1 he died In 326 B.C
2 I believe the answer is 120 calories
3 the answer is -14
Answer:
x = 48
Step-by-step explanation:
It is a 90 degree angle. So first you would subtract 42 from 90 degrees. Then you'd get your answer! Hope this helped
Answer:
D
Step-by-step explanation: