From the list below find the expression equivalent to
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the problem.A survey of 240 families showed that 91 had a dog; 70 had a cat; 31 had a dog and a cat; 91 had neither a cat nor a dog nor a parakeet; 7 had a cat, a dog, and a parakeet.How many had a parakeet only?
A. 34 B. 24 C. 29 D. 19
Mathematics
Find the LCD. Do not combine fractions.
, 
A. 7x - 4 B. 7x2 - 4 C. 7x(x - 4) D. 7x2 - 28
Mathematics
Find the equation of the tangent line at the given point on the curve.x2 + 3y2 = 13; (1, 2)
A. y = 
x + 
B. y = 
x + 
C. y = - 
x + 
D. y = - 
x + 
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.54° F to Celsius
A. 129.2° C B. 12.2° C C. 62.0° C D. 39.6° C
Mathematics