Solve the problem.In a certain memory experiment, subject A is able to memorize words at a rate given by 
In the same memory experiment, subject B is able to memorize at the rate given by 
How many more words does subject B memorize from t = 0 to t = 19 (during the first 19 minutes)?
A. 101
B. -21
C. -7
D. 95
Answer: C
Mathematics
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Provide an appropriate response.The "Simpson" sum is based upon the area under a ? .
A. triangle B. parabola C. trapezoid D. rectangle
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.x9 - 1
A. (x2 - 1)(x6 + x3 + 1) B. (x3 - 1)(x6 + x3 + 1) C. (x3 + 1)(x6 - x3 - 1) D. (x2 + 1)(x6 - x3 - 1)
Mathematics
Solve the equation. Give an approximate solution to four decimal places.74x = 2.4
A. {1.7098} B. {0.0902} C. {1.7996} D. {0.1125}
Mathematics
Solve and check.
+ 
= 
A. x = 4 B. x = -1 C. x = -4 D. x = 1
Mathematics