Classify the equation as a contradiction, an identity, or a conditional equation. 7(x + 9) - 5(x + 9) = 2x + 18
A. Conditional
B. Contradiction
C. Identity
Answer: C
Mathematics
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Use the unit circle to determine the value of the given expression or state that it is undefined.csc (600°)
A. - 
B. - 
C. - 
D. - 
Mathematics
Solve the equation.162 - x = 26 (Round to the nearest hundredth.)
A. 2.85 B. 0.82 C. 0.37 D. -0.37
Mathematics
Solve the problem.Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 10 feet of wrapping paper on the roll. She uses 
feet to wrap the present. How many feet of wrapping paper are left on the roll?
A. 8
feet
B. 8
feet
C. 7
feet
D. 9
feet
Mathematics
Solve by factoring.x2- 9 = 0
A. ±4 B. ±3 C. 4.5 D. 3
Mathematics