Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.A semicircular driveway has a diameter of 200 ft. How long is the driveway?
A. 6666.7 ft
B. 314 ft
C. 628 ft
D. 312 ft
Answer: B
Mathematics
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Use an integer to express the number.In one state, the highest point is 4278 feet above sea level.
A. -4278 B. 4278
Mathematics
Calculate, if possible.10 + 19 + (-21)
A. -30 B. 8 C. 50 D. 12
Mathematics
Determine all solutions of the equation in radians.Find tan 
, given that tan x = -3 and x terminates in 90° < x < 180°.
A. 
B. 
C. 
D. 
Mathematics
Find the domain of f.f(x) = 
A. {x | x ? 16} B. {x | x ? ±10} C. {x | x ? ±16} D. {x | x ? 10}
Mathematics