Solve the quadratic equation.2x2 + 8x = -5
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.- 
÷ 
A. 
B. 
C. - 
D. - 
Mathematics
Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.0.64
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to approximate the exponential expression to six decimal places.e4.16
A. 15.154235 B. 48.180247 C. 64.071523 D. 11.308052
Mathematics
Solve the problem.If $2000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $4000 at 5%? Round to the nearest tenth.
A. 3.5 years B. 13.9 years C. 13.5 years D. 12.0 years
Mathematics