Find all replacements (less than the modulus) for the question mark that make the statement true.9 + ? ? 2 (mod 8)
A. 4
B. -1
C. 1
D. 2
Answer: C
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 3.3073
B. s = -2 cos 
+ 8.2134
C. s = 2 cos 
+ 4
D. s = -2 cos 
+ 4
Solve.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 600 parts are produced, the cost is $4800. What is the average cost per part?
A. $7.50 per part B. $9.00 per part C. $10.00 per part D. $0.11 per part
Find the exact value of the expression. Do not use a calculator.5 cos ?, if ? = 45°
A. - 
B. 
C. - 
D. 
Rewrite the following number using digits.Seven thousand, six
A. 7060 B. 76,000 C. 7006 D. 7600