Use DeMorgan's Laws to rewrite the negation of the statement.The number x is not less than 7 and y is not greater than 0.
A. The number x is not less than 7 or y is not greater than 0.
B. The number x is less than 7 or y is greater than 0.
C. The number x is less than 7 and y is not greater than 0.
D. The number x is less than 7 and y is greater than 0.
Answer: B
Mathematics
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Use =, <, or > to write a true statement.
A. = B. > C. <
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Use the power rules for exponents to simplify. Write the answer in exponential form.
7 (q ? 0)
A. 
B. 
C. 
D. 
Mathematics
Solve.A formula for the focal length of a lens is f = 
. Calculate f (the focal length) for a = 16 cm and 
Round to the nearest tenth.
A. 6.9 cm B. 9.1 cm C. 6.0 cm D. 8.0 cm
Mathematics
Solve the equation and check your solution.
= 1 - 
A. 1 B. -5, 1 C. 0 D. 15
Mathematics