Determine if the given ordered triple is a solution of the system.(-2, 5, -5) x + y + z = -2 x - y + 5z = -322x + y + z = -4
A. solution
B. not a solution
Answer: A
Mathematics
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Solve the indicated system of equations algebraically.Find the dimensions of a rectangular enclosure with perimeter 42 yd and area 98 yd2.
A. 8 yd by 14 yd B. 8 yd by 13 yd C. 7 yd by 14 yd D. 7 yd by 13 yd
Mathematics
Solve and graph the solution set on a number line.|4x + 4| ? 5
A. 
B. 
? 
C. 
D. 
Mathematics
Simplify.
A. 
B. 1
C. 12
D. 
Mathematics
Solve the equation.
+ 
= 
+ 
A. r = -4 B. r = 4 C. r = 3 D. r = -12
Mathematics