Determine whether the given ordered pair is a solution of the system.(1, -6)3x + y = 94x + 3y = 22

A. not a solution
B. solution


Answer: A

Mathematics

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Determine whether the set is well defined or not.{x : x is a tennis player who has won at Wimbledon}

A. Well defined B. Not well defined

Mathematics

Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos 

A. - 
B. - 
C.
D.  

Mathematics

Simplify the expression. Assume that all variables are positive.

A. x10
B.
C.
D.

Mathematics

Answer as indicated in a complete sentence.Four years ago, John planted a tree in his garden. It was 6 feet 6 inches tall. Since then the tree has grown 4 feet 11 inches. How tall is the tree now?

A. The tree is now 11 feet 5 inches tall. B. The tree is now 10 feet 17 inches tall. C. The tree is now 11 feet 7 inches tall. D. The tree is now 10 feet 5 inches tall.

Mathematics