Find all complex solutions for the equation.
+ 
+ 4 = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine whether the two equations in the pair are equivalent.24x = 3x and 5 = 
A. Equivalent B. Not equivalent
Mathematics
Write the word phrase in symbols, using x as the variable.14 less than two times a number
A. 
B. 2(x - 14)
C. 14 - 2x
D. 2x - 14
Mathematics
Find the equation of a circle satisfying the given conditions.Center: (-10, 0); radius: 
A. x2 + (y - 10)2 = 25 B. x2 + (y + 10)2 = 25 C. (x + 10)2 + y2 = 5 D. (x - 10)2 + y2 = 5
Mathematics
Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 90? Round your answer to the nearest hundredth, if necessary.
A. 2.74 hr B. 7.85 hr C. 27.40 hr D. 101.14 hr
Mathematics