Add.415 + 341
A. 945
B. 576
C. 657
D. 756
Answer: D
Mathematics
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Subtract.1,286
A. 7 B. 1,007 C. 995 D. 855
Mathematics
The cost (in dollars) of producing x units of a certain commodity is 
Find the average rate of change with respect to x when the production level is changed from x = 102 to x = 122.
a. 23.02 b. 14.42 c. 29.94 d. 16.42 e. 19.72
Mathematics
Solve the problem.Suppose that a metal block is cooling so that its temperature T(in °C) is given by 
where t is in hours. How long has the cooling been taking place if the block now has a temperature of 700°C?
A. 4 hr B. 1 hr C. 0.5 hr D. 2 hr
Mathematics
Simplify the algebraic expression by removing parentheses and brackets.2[6(x - 3) - 2]
A. 12x - 40 B. 12x - 5 C. 12x - 36 D. 12x - 10
Mathematics