Solve the problem.Any offset between a stationary radar gun and a moving target creates a "cosine effect" that reduces the radar mileage reading by the cosine of the angle between the gun and the vehicle. That is, the radar speed reading is the product of the actual reading and the cosine of the angle. Find the radar reading to the nearest hundredth for the auto shown in the figure. 
A. 30.82 mph
B. 80.29 mph
C. 86.93 mph
D. 85.07 mph
Answer: B
Mathematics
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Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the product. Simplify before performing the multiplication.
? 
A. 
B. 
C. 
D. 
Mathematics
Find an algebraic expression that represents the area of the shaded region.
6x - 8
A. 36x2 - 96x + 64 B. 36x2 + 96x - 64 C. 36x2 - 96x - 64 D. 36x2 + 96x + 64
Mathematics
Solve the problem.Annica owes $476.98 on her charge card. She returns for credit items costing $24.09 and $41.27. She makes a purchase for $23.42 and additional purchases of $33.80, $172.62, and $177.98. She then makes a payment of $540.35. Find the amount she now owes.
A. $674.87 B. $409.81 C. $544.15 D. $279.09
Mathematics