Find the sum of the finite geometric series using a formula.-8 + 16 - 32 + 64 - 128
A. 8
B. -340
C. 40
D. -88
Answer: D
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Solve the problem.The Earth rotates about its pole once every 24 hours. The distance from the pole to a location on Earth 24° north latitude is about 3617.6 miles. Therefore, a location on Earth at 24° north latitude is spinning on a circle of radius 3617.6 miles. Compute the linear speed on the surface of the Earth at 24° north latitude.
A. 1002 mph B. 947 mph C. 151 mph D. 22,730 mph
Solve the problem.Consider these midterm and final exam scores for three students in a calculus class. 
Find the regression line y = mx + b.
A. y = -0.61x + 124.2 B. y = 0.256x - 12.3 C. y = -x + 3.1 D. y = -0.65x + 100.4
Use the quadratic formula to solve the equation.x2 + 16x + 53 = 0
A. {8 ± 
}
B. {-8 ± 
}
C. {-16 + 
}
D. {8 + 
}
Use the given values of the variables to find the value of the expression.2x - 7y for x = 7, y = -7
A. 63 B. -35 C. 35 D. -63