Use the discriminant to determine the number and type of the solutions to the quadratic equation. Do not solve the equation.x2 + 4x + 4 = 0
A. two nonreal solutions
B. exactly one real solution
C. two real solutions
Answer: B
Mathematics
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Divide the rational expressions.
÷ 
A. - 
B. 3
C. - 
D. - 
Mathematics
Solve the problem.In 2008 an outdoor mall was open throughout the year. The number of shoppers averaged 5000 on sunny days, 4000 on cloudy days, 1200 on rainy days, and 3000 on snowy days. The percentage of days of each type in 2008 is given in the following table. Find the average number of average shoppers per day at the mall for 2008. 
A. 3943 B. 3826 C. 3300 D. 2100 E. 1240
Mathematics
Find the absolute value.
A. 
B. 0
C. 
D. 
Mathematics
Perform the indicated operation. Write the result in the form a + bi.(
+ 10i)(
- 10i)
A. -93 B. 7 - 100i C. 7 - 10i D. 107
Mathematics