Use the substitution method to solve the system. x + y = 33x + 3y = 9
A. Infinitely many solutions
B. (2, 1)
C. (0, 0)
D. No solution
Answer: A
Mathematics
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A. -1° B. -45?° C. 1° D. -45°
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Solve the equation on the interval 0 ? ? < 2?.cos ? + sin ? = 0
A. 
B. 
C. 
, 
D. - 
, 
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Solve the problem. If necessary, round to the nearest tenth.On a sunny day, a flag pole and its shadow form the sides of a right triangle. If the hypotenuse is 52 m long and the shadow is 48 m, how tall is the flag pole?
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