Find the perimeter or circumference. Use ? ? 3.14 when needed.
Round to one decimal place.
A. 36.1 mi
B. 72.2 mi
C. 415.3 mi
D. 144.4 mi
Answer: B
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is fired at a speed of 1,040 m/sec at an angle of 55°. How long will it take to get 26 km downrange? Round your answer to the nearest whole number.
A. 42 sec B. 44 sec C. It will never get that far downrange. D. 46 sec
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log
125.7
A. 0.19 B. 2.70 C. 0.39 D. 5.40
Provide an appropriate response.Write 
using exponents.
A. 1
B. 
C. 
D. 
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-10.9 - 11.2
A. -22.1 B. -0.3 C. 22.1 D. 0.3