Solve the problem.A survey of 260 families showed that 99 had a dog; 76 had a cat; 34 had a dog and a cat; 98 had neither a cat nor a dog nor a parakeet; 8 had a cat, a dog, and a parakeet.How many had a parakeet only?
A. 21
B. 31
C. 36
D. 26
Answer: A
Mathematics
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Multiply mentally.50 ? 70
A. 3570 B. 3430 C. 3500 D. 120
Mathematics
For the points P and Q, find the coordinates of the midpoint of the segment PQ.P(7, -9), Q(0, 8)
A. (7, -17)
B. (7, -1)
C. 
D. 
Mathematics
The given function is one-to-one. Find f-1(x).f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Find the domain of the function. f(x) = In(x² + 5x + 6)
What will be an ideal response?
Mathematics