Solve.A machinist receives a sketch of a part she must make as shown. If the indicated angle NOP is precisely half of angle NOQ, find ? NOQ. 
A. 30°55'8"
B. 32°5'12"
C. 31°45'28"
D. 29°50'6"
Answer: A
Mathematics
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Evaluate the sum.
A. 133 B. 147 C. 145 D. 140
Mathematics
Graph the system of inequalities.y ? 3y ? 2x
A. 
B. 
C. 
D. 
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.A = 
(b + B)h; A = 171, b = 20, B = 18
A. h = 360 B. h = 9 C. h = 133 D. h = 19
Mathematics
Solve the problem.On a biology test, a student answered 25 questions correctly but did not pass. On a second attempt, the student answered 31 questions correctly. What was the percent increase in the number of questions answered correctly?
A. 6% B. 19.4% C. 24% D. 76%
Mathematics