Add or subtract. Simplify your answer to lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The rate at which an assembly line worker's efficiency E (expressed as a percent) changes with respect to time t is given by 
where t is the number of hours since the worker's shift began. Assuming that 
find E(t).
A. E(t) = 55t - 2t2 + 141 B. E(t) = 55t - 2t2 + 35 C. E(t) = 55t - 4t2 + 35 D. E(t) = 55t - 2t2 + 88
Mathematics
Solve the problem.An object will take t seconds to drop d ft, where t = 
. What distance will the object drop in 
sec?
A. 52 ft B. 13 ft C. 104 ft D. 26 ft
Mathematics
Write an equivalent expression. Use a commutative law.wx
A. xw
B. w ÷ x
C. w + x
D. 
Mathematics
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics