Use formulas to find the area of the plane region.
A. 56.52 mi2
B. 254.34 mi2
C. 63.585 mi2
D. 28.26 mi2
Answer: C
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Solve.x - 
= -7
A. -3 B. 4 C. 2 D. -4
Solve.An earthquake had an intensity 
times more powerful than a reference level earthquake, or 
What was the magnitude of this earthquake on the Richter scale? The magnitude on the Richter scale of an earthquake of intensity I is 
A. 14.5 B. 16.3 C. 6.3 D. 3.7
Determine the discriminant and then use that value to determine the most efficient way of solving the quadratic equation. DO NOT SOLVE THE EQUATION.0 = 3w2 + 4w - 3
A. 52; factoring B. -20; quadratic formula C. 52; quadratic formula D. 52; no real solution
Solve the problem.Each box of matches contains 150 matches. Boxes of matches are shipped in cartons. Each carton contains 5 boxes of matches. How many matches are in each carton?
A. 750 matches per carton B. 30 matches per carton C. 155 matches per carton D. 75 matches per carton