Evaluate the polynomial.-7x + 5for x = 7
A. -54
B. -98
C. -2
D. -44
Answer: D
Mathematics
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Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 5, b = 9; find csc A.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.0.36 × 0.6
A. 2.16 B. 0.0216 C. 0.216 D. 0.00216
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
- 
)2
A. 14 + 2
B. 33 - 2
C. 8 - 2
D. 14 - 2
Mathematics
Determine the order of the matrix.
A. 2 × 3 B. 3 × 2 C. 3 D. 6
Mathematics