Provide an appropriate response.Which is the common denominator for 
, 
, and 
?
A. 72
B. 100
C. 2
D. 36
Answer: A
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Find the specified minor and cofactor for the matrix A.M11 and A11 if A = 
A. M11 = 24 and A11 = 24 B. M11 = 24 and A11 = - 24 C. M11 = 23 and A11 = 23 D. M11 = -23 and A11 = -23
Solve the problem.Two pulleys, one with a radius of 19 inches and the other with a radius of 
are connected by a belt. If the larger pulley makes 
per minute, how many revolutions per minute does the smaller pulley make? Round your answer to the nearest tenth.
A. 0.5 rpm B. 8.4 rpm C. 4.8 rpm D. 42.8 rpm
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? 0 B. x ? 6 C. x ? -6, x ? -9 D. x ? 6, x ? 9
Solve.The population P, in thousands, of Pine Grove is given by P(t) = 
, where t is the time, in months. Find the interval on which the population was 40 thousand or greater.
A. [4.336, ?) B. [0.664, 4.336] C. [0.83, 5.42] D. (-?, ?)