Classify the polygon by name.
A. heptagon
B. octagon
C. hexagon
D. nonagon
Answer: A
Mathematics
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Calculate the sum.(+1) + (-5)
A. 4 B. -4 C. 6 D. -6
Mathematics
Estimate the value of the quantity.A hat is dropped from a hot air balloon. The hat falls faster and faster but its acceleration decreases over time due to air resistance. The acceleration is measured every second after the drop for 6 seconds. Find an upper estimate for the speed when 
A. 192 ft/sec B. 40.96 ft/sec C. 32.08 ft/sec D. 71.87 ft/sec
Mathematics
Solve the equation.x + 
= -7
A. -30 B. -10, 3 C. -7, -30 D. 10, -3
Mathematics
Decide whether the relation is a function.{(-1, -3), (3, 9), (5, -5), (7, 8), (12, -3)}
A. Function B. Not a function
Mathematics