Find the difference.
A. -63
B. 63
C. 53
D. -53
E. -58
Answer: D
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.5 ? m-7 ? m-4 ? m0
A. 
B. - 
C. 0
D. 5m28
Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjecture is correct.4 x 6 = 5 × 7 - 116 x 8 = 7 × 9 - 15
A. 8 × 10 = 9 × 11 + 17 B. 8 × 10 = 9 × 11 - 19 C. 8 × 10 = 9 × 11 - 17 D. 8 × 10 = 11 × 15 - 19
Provide an appropriate response.Find the direction in degrees of a vector in standard position if the coordinates of its end point are (-3, 7). Round to the nearest 0.1°.
A. 66.8° B. 113.2° C. -66.8° D. -113.2°
Perform the indicated operation. Write the answer in the form a + bi.7(cos 45° + i sin 45°) ? 2(cos 90° + i sin 90°)
A. 2
- 
i
B. -14
- 14
i
C. -7
+ 7
i
D. 7
- 28
i