Solve.
+ 18 = 20
A. a = 1
B. a = 76
C. a = 4
D. a = 22
Answer: C
Mathematics
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Evaluate.sin 
A. 
B. 
C. 
D. 
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Solve the quadratic equation by factoring.x2 - x = 20
A. -4, 5 B. -4, -5 C. 1, 20 D. 4, 5
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Solve. Give your answer as a mixed numeral.To obtain a certain shade of paint, Peter mixed 2
gallons of white paint with 3
gallons of brown and 2
gallons of blue paint. How much paint did he have?
A. 
gal
B. 
gal
C. 8
gal
D. 2
gal
Mathematics
Find, correct to the nearest degree, the angle between the planes. Select the correct answer.
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Mathematics