Convert between English and Metric System of Units.
12 ft 6 in. = 
m (Round to the nearest tenth.)
A. 4.2
B. 3.6
C. 3.2
D. 3.8
Answer: D
Mathematics
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Find the volume of the solid. When appropriate, use ? ? 3.14 and round to the nearest hundredth.
A. 2099.52 yd3 B. 4199.04 yd3 C. 699.84 yd3 D. 1399.68 yd3
Mathematics
Solve the problem.Assume that from 1930 to 1980, the number of deaths from lead poisoning (per 100,000 people) decreased dramatically and could be modeled by 
where x is the year. Determine when, to the nearest year, this death rate was 75 or less by graphing y = f(x) and 
in 
by [0, 200, 25].
A. 1964 or after B. 1960 or after C. 1973 or after D. 1967 or after
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Mathematics
Give the value of the function in radians. Round to the nearest thousandth when necessary.cos-1 (0.5578)
A. 5.304 B. 0.592 C. 0.979 D. 4.121
Mathematics