Solve the system by the substitution method. Be sure to check all proposed solutions.x + y = 6y = 2x
A. {(-2, 8)}
B. {(2, 4)}
C. {(3, 3)}
D. {(1, 5)}
Answer: B
Mathematics
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Find the missing quantities as requested.Find the circumference of the circle. Use 3.14 for ?.
A. 28.26 ft B. 254.34 ft C. 113.04 ft D. 56.52 ft
Mathematics
Find the LCM.5xy4z4, 20x9yz5, and 50x6y6z
A. 5000x9y6z5 B. 200xyz C. 200x9y6z5 D. 200x9y4z4
Mathematics
Find the reciprocal.
A. 
has no reciprocal.
B. 
C. 4
D. -4
Mathematics
Determine whether the function is even, odd, or neither.y = |x - 4|
A. Neither B. Odd C. Even
Mathematics