Solve the problem.For a particular circuit, the current (in amperes) after time t (in seconds) at a certain point P is given by 
Find the charge (in coulombs) that passes point P during the first second by evaluating 
A. 0.0039 C
B. 1.28 C
C. 0.005 C
D. 256 C
Answer: A
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Solve the problem.Find the length of the pulley belt shown in the figure if the belt crosses at 60° angles. The radius of each circle is 9.39 in.
A. 104 in. B. 144 in. C. 81.8 in. D. Not enough information.
Solve problems using a calculator.1237 - 26 × 11
A. 951 B. 13,321 C. 13,324 D. 953
Divide the polynomial by the monomial.
A. 2x4 + 3x B. 2x3 + 3 C. 20x4 + 3x D. 2x4 + 30x
Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal.
A. 1 million B. 18 million C. 17 million D. 16 million