Remove grouping symbols and simplify.8{9y2 + 4[7y2 - (y + z2)]}
A. 100y2 - 4y - 4z2
B. 296y2 - 32y - 32z2
C. 264y2 - 32y
D. 296y2 - 8y + 8z2
Answer: B
Mathematics
You might also like to view...
Solve.From a series of measurements, the mean voltage in a certain line is found to be 26,420 V with a standard deviation of 210 V. A breaker must be installed to protect against surges in voltage. If the breaker is set so that it is activated only about 0.1% of the time, at what level is it set?
A. 26,630 V B. 27,260 V C. 26,840V D. 27,050 V
Mathematics
Guess the rule used to change one number into another.
A. 6n - 2 B. 4n + 5 C. 5n + 2 D. None of the above is the correct rule.
Mathematics
Simplify.
- 
? 
A. 
B. 
C. 2
D. 
Mathematics
Solve the inequality.
? 3x
A. (-?, 3] or [5, ?) B. [3, 5] C. [5, ?) D. [0, 3] or (5, ?)
Mathematics