Solve the problem.A formula used by an engineer to determine the safe radius of a curve, R, when designing a road is: 
where ? is the superelevation of the road and V is the velocity (in feet per second) for which the curve is designed. If 
ft per sec, f = 0.1
and 
find R. Round to the nearest foot.
A. R = 1970 ft
B. R = 1977 ft
C. R = 1973 ft
D. R = 1983 ft
Answer: C
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A small country consists of four states (State 1, State 2, State 3, and State 4). The total population of the country is 200,000. The standard quotas are q1 = 64.8, q2 = 89.9, q3 = 39.6, and q4 = 5.7 respectively.Which of the following numbers can be used as a modified divisor under Adams's method?
A. 1000 B. 1004 C. 1011 D. 990 E. none of these
Graph the solution region for the system of inequalities and identify the corners of the region.
A. 
B. 
C. 
D. 
Use the simplex method to maximize the given function. Assume all variables are nonnegative.
?
Maximize 
subject to
?
?
A. maximum: 31 at 
, 
B. maximum: 41 at 
, 
C. maximum: 27 at 
, 
D. maximum: 32 at 
, 
E. maximum: 59 at 
, 
Place the correct symbol, < or >, between the two numbers. –18 ? –11
A) < B) >