Solve the rational equation symbolically, numerically, or graphically.
- 
= 
A. -20
B. 40
C. 20
D. 2
Answer: C
Mathematics
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Find the range for the set of data given.
A. 22 B. 49 C. 21 D. 20
Mathematics
Rewrite the series using summation notation. Use 1 as the lower limit of summation.3(12) + 3(22) + . . . + 3(52)
A. 
B. 
C. 
D. 
Mathematics
Find parametric equations for the rectangular equation.y = 3x2 + 6
A. x = t2; y = 3t + 6; 0 ? t < ?
B. y = t; x = 3t2 + 6; 0 ? t < ?
C. x = 
; y = 3t + 6; t ? 0
D. x = t; y = 3t2 + 6; 0 ? t < ?
Mathematics
Find the unknown value.44.5% of 4000 is what number?
A. 2240 B. 2000 C. 1780 D. 2220
Mathematics