Simplify the power of i.i-26
A. -1
B. -i
C. 1
D. i
Answer: A
Mathematics
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Add.3112 + 1313
A. 4346 B. 4443 C. 4524 D. 4425
Mathematics
Find the area of the geometric figure. Use 3.14 for ?.
A. 66.5 cm2 B. 133 cm2 C. 33.25 cm2 D. 22.5 cm2
Mathematics
Give the additive inverse of the number.- 
A. - 
B. 7
C. 0
D. 
Mathematics
Solve the problem.An airplane has an air speed of 550 miles per hour bearing N30°W. The wind velocity is 50 miles per hour in the direction N30°E. To the nearest tenth, what is the ground speed of the plane? What is its direction?
A. 552.3 mph; N24.8°W B. 552.3 mph; N54.8°W C. 576.6 mph; N25.7°W D. 526.8 mph; N55.3°W
Mathematics