Solve the problem.Find the temperature at which the Celsius and Fahrenheit scales coincide.
A. 0°
B. 42°
C. -40°
D. -22°
Answer: C
Mathematics
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Solve the equation.-56 = 7k
A. k = 63 B. k = 1 C. k = -8 D. k = -63
Mathematics
Find the tax rate for the area. Round to the nearest tenth of a percent.Total tax needed: $13,210,000Total assessed value: $643,360,000
A. 48.7% B. 2.1% C. 4.9% D. 0.2%
Mathematics
Evaluate the integral using the given substitution.
dx, u = 8x2
A. 
sin (8x2) + C
B. 
sin (8x2) + C
C. sin(8x2) + C
D. 
sin (u) + C
Mathematics
Solve the problem.An oil spill of 3971 cubic centimeters is spilled onto a pond and spreads out in a circular shape having a diameter of 766 centimeters. Approximate the thickness of the oil film to four decimal places.
A. 0.0086 cm B. 3.3003 cm C. 116.0506 cm D. 1.6501 cm
Mathematics