Change the word statement to an equation. Use x as the variable.The sum of two-thirds a number and 49 is 21.
A. 
x - 49 = 21
B. 
x + 21 = 49
C. 
x + 49 = 21
D. 
x ? 49 = 21
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
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Decide whether the given number is a solution of the given equation.Is 10 a solution of 4(x - 5) = 23?
A. Yes B. No
Mathematics
Solve the problem.One end of a wire that is 13 meters long is attached to the top of a tower. The other end of the wire is staked to the ground so that the wire is taut. The distance from the top of the tower to the bottom of the tower is 7 meters greater than the distance from the bottom of the tower to where the wire is staked down. How far is the stake from the base of the tower?
A. 5 meters B. 4 meters C. 12 meters D. 13 meters
Mathematics