Find the sum of the series.
A. 4
B. -23
C. -20
D. -11
Answer: C
Mathematics
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.4(2x - 1) = 19
A. {2.19} B. {0.56} C. {1.56} D. {2.88}
Mathematics
Fill in the blank with one of the words or phrases listed below. Some words may be used more than once. 
To write a decimal or fraction as a percent, multiply by 
.
A. percent
B. 0.01
C. 
D. 100%
Mathematics
Solve by isolating the absolute value and using the absolute value property.3 - 5
= -5
A. 
B. 
C. 
D. 
Mathematics
Solve. You will have to square both sides of the equation twice to eliminate all radicals.
+ 
= 4
A. 2, -2 B. -2 C. 0 D. no real solution
Mathematics