Determine whether the ordered pair is a solution to the linear inequality.6x + 6y ? -10; (4, 2)
A. Yes
B. No
Answer: B
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Perform the operation and give the answer in the same numeration system. Write the answer as simply as possible.
A. 
B. 
C. 
D. 
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 tan t, y = 4 sec t; 0 ? t ? 2?
A. 
- 
= 1; -? < x < ?
B. 
+ 
= 1; -? < x < ?
C. y = x2 - 9; -3 ? x ? 3
D. y = 4
; -? < x < ?
Solve the problem.It took three assembly-line workers 7.25 seconds, 7.495 seconds, and 6.7 seconds to assemble a product. How many seconds in all did they work?
A. 21.445 sec. B. 13.95 sec. C. 14.745 sec. D. 6.945 sec.
Find the values of a and b that would cause the graph of 
to pass through the points 
and 
class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_091544df71644ac8937d8101c" />.
?
?
A. 
B. ?
C. a = 3?, ?b? = 21
D. 
E. ?