Solve the problem.The polynomial -0.4t2+ 11t describes the average number of digits that participants in a memorization experiment were able to recall after t minutes. Find the number of digits recalled after 7 minutes. Round to the nearest digit.
A. 77 digits
B. 57 digits
C. 37 digits
D. 97 digits
Answer: B
Mathematics
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 77°?
A. 11 a.m. and 12 p.m. B. 11 a.m. and 12 p.m. and 3 p.m. C. 12 p.m. and 3 p.m. D. 2 p.m.
Mathematics
Draw and shade a part of a diagram to represent the figure.
of a diagram
A. 
B. 
C. 
D. 
Mathematics
Combine where possible.-9
- 3
+ 10
A. -32
B. -9
C. -6
D. 6
Mathematics
Determine whether the given function is even, odd, or neither.f(x) = x5 - x4
A. Neither B. Odd C. Even
Mathematics