Evaluate each expression without using a calculator. Give the result in degrees.cos-1 (0)
A. 0°
B. 90°
C. 45°
D. 180°
Answer: B
Mathematics
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Solve the problems.A cheetah can run at a speed of approximately 68 miles per hour. Calculate this speed in feet per second. Round to the nearest whole number.
A. 92 ft/sec B. 136 ft/sec C. 100 ft/sec D. 111 ft/sec
Mathematics
Find the exact value of the expression or state that it does not exist.cos
A. 
B. - 
C. 
D. - 
Mathematics
Simplify the ratio.110 miles to 180 miles
A. 
B. 
C. 
D. 10
Mathematics
Solve the equation.x2 - 11 = 0
A. ±11
B. ±
C. ±i
D. ±11i
Mathematics