Solve the system of linear equations by the method of elimination. Use the graph to check your solution.
?
??
A. (9, 2)?
?
B. ?(- 4, 2)
?
?
?
C. ?(2, - 9)
?
D. ?(- 2, - 4)
?
E. No solution
?
Answer: E
Mathematics
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Find a rectangular equation for the plane curve defined by the parametric equations.x = 3t, y = t + 7
A. y = 3x - 7
B. y = 
+ 7
C. y = 3x + 7
D. y = 
- 7
Mathematics
Solve the problem.A bike road race starts at an elevation of 610 feet and passes through 5 stages where the elevation changes by 87 feet, -707 feet, -325 feet, 239 feet, and -70 feet. At what elevation does the race end?
A. -2038 feet B. 1399 feet C. 2038 feet D. -166 feet
Mathematics
Find the average value of the given function 
over the plane region R.
?
; R is the triangle with vertices (0, 0), (2, 0) and (2, 2).
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the equation.
= 
A. 
, 0
B. No solution
C. - 
, 0
D. - 
, 
Mathematics