Solve the problem.One Sunday in February, the high temperature in Buffalo was 46° F. For the next 5 days, the high dropped 3°F each day. What was the temperature the following Friday, and was it above, at, or below freezing (32°F)?
A. 38°F, above freezing
B. 31°F, below freezing
C. 61°F, above freezing
D. 32°F, at freezing
Answer: B
Mathematics
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Find all the x-values that meet the stated condition.For f(x) = 
, find all x-values for which f(x) ? 0.
A. 
, or 
B. 
, or 
C. 
? (5, ?), or 
D. 
? [5, ?), or 
Mathematics
Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations. x + y + z = -7 x - y + 3z = -132x + y + z = -9
A. {(-1, -2, -4)} B. {(-4, -1, -2)} C. {(-4, -2, -1)} D. {(-2, -1, -4)}
Mathematics
Indicate whether the expression is a polynomial or not a polynomial.-6c4 - 7c3 + 4c2
A. Not a polynomial B. Polynomial
Mathematics