Use sigma notation to write the sum 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Write the ratio in fractional form and simplify completely.42 degrees : 28 degrees
A. 
B. 
C. 
D. 
Mathematics
Simplify.(4 + x)2
A. x2 + 8x + 16 B. x2 + 16 C. x + 16 D. 16x2 + 8x + 16
Mathematics
Provide an appropriate response.
Find the area of triangle RST. Round to four significant digits. 
A. 41.29 m2 B. 10.04 m2 C. 49.25 m2 D. 612.8 m2
Mathematics
The probability that a person owns a luxury car is 0.2, and the probability that the owner of such a car also owns a personal computer is 0.5. Find the probability that a person, chosen at random, owns both a luxury car and a computer. ?
A. 0.5 B. 0.1 C. 0.2 D. 0.9 E. 0.6
Mathematics