For the given angle of rotation and coordinates of a point in the x'y'-coordinate system, find the coordinates of the point in the xy-coordinate system.? = 45°, (3
, -4
)
A. 
B. (-1, 7)
C. (7, -1)
D. 
Answer: C
Mathematics
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Solve the proportion.
= 
A. 21
B. 
C. 35
D. 
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Solve. Clear decimals first.30.8y - 215.6 = 46.2y - 323.4
A. -14 B. 7 C. -7 D. 14
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Mathematics
List all the factors of each number.231
A. 7 ? 7 ? 3 B. 3 ? 3 ? 11 C. 3 ? 7 ? 11 D. 21 ? 11
Mathematics