Solve the equation for y.4x + 7y = 8x + 9
A. y = 
x - 
B. y = 
x + 
C. y = 4x + 12
D. y = 
x + 
Answer: B
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Find the indicated probability.In a batch of 8000 clock radios 9% are defective. A sample of 8 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?
A. 0.530 B. 0.0900 C. 0.470 D. 0.125
Divide, and round the quotient as indicated.Divide 1679.28 by 0.071 and round the quotient to the nearest thousandth.
A. 23,652.331 B. 2365.183 C. 2365.233 D. 23,651.831
Find the root. Assume that variables represent any real number.
A. (z - 3)2
B. 
- 3
C. 
- 3
D. 
Solve the problem.The largest angle of a triangle is 6 times the smallest angle and it is 3 times the other angle. Find the measure of the smallest angle.
A. 30° B. 20° C. 10° D. 40°