Identify the number as prime, composite, or neither.45
A. Composite
B. Neither
C. Prime
Answer: A
Mathematics
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Solve the problem.A church steeple casts a shadow 108 ft long, and at the same time a 9.0-ft post casts a shadow 7.0 ft long. How high is the steeple? Round to the nearest unit.
A. 111 ft B. 84 ft C. 8 ft D. 139 ft
Mathematics
Graph the ellipse and locate the foci.
+ 
= 1 
A. foci at (2
, 0) and (-2
, 0)
B. foci at (0, 2
) and (0, -2
)
C. foci at (0, 5
) and (0, -5
)
D. foci at (5
, 0) and (-5
, 0)
Mathematics
Solve the problem.Find the pH of a solution with a hydrogen ion concentration of 10-4.3 moles per liter.
A. 9.9 B. 4.3 C. 5.7 D. -4.3
Mathematics
Give an expression that generates all angles coterminal with the given angle. Let n represent any integer.288°
A. 288° + n ? 90° B. 288° + n ? 360° C. 288° + n ? 180° D. 288° + 2n?
Mathematics