Provide an appropriate response.Find the indicated part of triangle ABC. Round to the nearest 0.1°. Find A if b = 16.8 cm and a = 7.2 cm. 
A. 23.2°
B. 2.2°
C. 0.4°
D. 66.8°
Answer: A
Mathematics
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Solve the problem.Find the first term of a geometric sequence with the sixth term -4374 and common ratio of -3.
A. -2
B. 18
C. 
D. -6
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Simplify.72 + 82
A. 113 B. 225 C. 60 D. 30
Mathematics
Solve the system of equations by the substitution method.
A. (1, 0) B. no solution C. (0, 1) D. infinite number of solutions
Mathematics
Identify the like terms in the algebraic expression.5.7w2 - 1.4x2 - 3.5w2 + 8x + 2.5wx - x
A. 5.7w2 and -3.5w2; 8x, 2.5wx and -x B. 5.7w2 and -3.5w2; 8x and -x C. 5.7w2, -1.4x2 and -3.5w2 D. 5.7w, 3.5w and 2.5w; 8 and -1
Mathematics