Factor when possible. If the polynomial is prime, say so.3x - 40 + x2
A. (x - 8)(x + 1)
B. (x - 8)(x + 5)
C. (x + 8)(x - 5)
D. prime
Answer: C
Mathematics
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Find the inner-quartile range for the set of bowling scores.
A. 20 B. 50 C. 93 D. 70
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Solve the equation.3(2z - 3) = 5(z + 3)
A. 9 B. 6 C. 24 D. -6
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Determine the standard equation of the ellipse described.Center at (0, 0); focus at (0, -5); vertex at (0, 6).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve and check.On a clear day, the distance d (in miles) that a lookout on a ship can see to the horizon from height h (in feet) can be approximated by the formula 
How high must a lookout climb to see a ship 20.5 miles away? Round to the nearest foot.
A. 130 ft B. 756 ft C. 114 ft D. 420 ft
Mathematics