Solve the problem.If the formula R = -0.037t + 50.1 can be used to predict the world record in the 
eter dash 
after 1925, for what years will the world records be 48.3 seconds or less?
A. 1973 or after
B. 1975 or after
C. 1949 or after
D. 1974 or after
Answer: D
Mathematics
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Write the percent as a fraction or mixed number in simplest form.87.5%
A. 
B. 87
C. 
D. 87
Mathematics
Use the given table for y = ax2 + bx + c to solve ax2 + bx + c < 0 or ax2 + bx + c > 0, as indicated.y = x2 - 16; ax2 + bx + c < 0
A. -5 < x < 5 B. x < -5 or x > 5 C. -4 < x < 4 D. x < -4 or x > 4
Mathematics
The first several terms of a sequence are given. Find the indicated partial sum.2, -7, 12, -17, . . . ; S6
A. 7 B. -13 C. -15 D. 15
Mathematics
Find the volume of the solid of revolution obtained by revolving the region bounded above by the curve
?
?
and below by the curve
?
?
from 
to 
about the 
-axis.
What will be an ideal response?
Mathematics