Find the absolute value of the complex number.z = -4
A. -4
B. -16
C. 16
D. 4
Answer: D
Mathematics
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The percent of a certain brand of computer chips that will fail after t years of use is estimated to be 
.
?
What percent of this brand of computer chips are expected to be usable after 6 years? Round your answer to one decimal place.
?
__________%
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the equation by plotting the intercepts.5x - 15y = 30
A. 
B. 
C. 
D. 
Mathematics
Convert to decimal notation.- 
A. -0.625
B. -0.
C. 0.625
D. -0.62
Mathematics
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log2 11 ? log11 8
A. 11 B. 3 C. 8 D. 2
Mathematics