Solve the problem.To get a B in biology, Katie must average 81 on five lab reports. Scores on the first four lab reports were 92, 77, 76, and 81. What is the lowest score that Katie can get on the last lab report and still receive a B?
A. 75
B. 82
C. 81
D. 79
Answer: D
Mathematics
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Express the transform of the given expression in terms of s and ?
.y" + 6y' + 2y, f 
= -1, f' 
= 2
A. 
?
+ s + 4
B. 
?
- s - 8
C. 
?
+ s + 4
D. 
?
+ s + 6
Mathematics
Find an upper bound for the magnitude |E| of the error in the linear approximation L to f at the given point over the given region.
at 
R: |x - 2| ? 0.2, |y - 1| ? 0.2
A. |E| ? 12.16512 B. |E| ? 17.23392 C. |E| ? 17.47104 D. |E| ? 22.30272
Mathematics
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
Find the increase in the number of female athletes from 2003 to 2004.
A. 150 B. 125 C. 175 D. 375
Mathematics
Simplify.(x6y4)(x2y5)
A. x11y10 B. x8y9 C. x8y10 D. x12y10
Mathematics