Solve the equation.
= 
A. x = 1
B. x = 
C. x = 22
D. x = 0
Answer: C
Mathematics
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Solve.
+ 
= - 
A. 21 B. -21 C. -22 D. empty set solution
Mathematics
Find the specified quartile.The test scores of 15 students are listed below. Find the lower quartile, QL.
A. 57 B. 53 C. 54.0 D. 55
Mathematics
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.2x2 = -2x - 4
A. two irrational solutions B. one rational solution C. two nonreal complex solutions D. two rational solutions
Mathematics
Solve the problem.At what interest rate must $5000 be compounded annually to equal $7116.56 after 9 yr? (Round to the nearest percent.)
A. 6% B. 4% C. 5% D. 3%
Mathematics