Solve the problem.Alan's yard is rectangular and measures 17.7 meters by 19.6 meters. Maria's yard is rectangular and measures 37.9 meters by 41.8 meters. How much greater is the area of Maria's yard than the area of Alan's yard?
A. 1931.14 m2
B. 1237.30 m2
C. 12,373.0 m2
D. 42.4 m2
Answer: B
Mathematics
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Solve the problem.An object at the end of a spring is immersed in liquid. Its velocity (in cm/s) is then described by the equation 
where t is the time (in s). Find the displacement s as a function of t if s = -4 cm for t = 0.
A. s = -e-2t - 
e-8t - 
B. s = e-2t + 
e-8t - 
C. s = -e-2t + 
e-8t + 
D. s = -e-2t - 
e-8t + 
Mathematics
Simplify.
A. -2 B. -1 C. 2 D. undefined
Mathematics
Solve the equation.
= y
A. {6} B. {6, -2} C. ? D. {4}
Mathematics
The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.What percent of the votes did Ben NOT get?
A. 16% B. 68% C. 73% D. 84%
Mathematics