Solve the problem.The air speed of an airplane is 690 km/hr and its angle of climb is 2.07°. What is its ground speed (to the nearest km/hr)?
A. 675 km/hr
B. 690 km/hr
C. 680 km/hr
D. 685 km/hr
Answer: B
Mathematics
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Use a calculator to compute. Round the result to two decimal places.-113.21 - 20.93
A. -134.14 B. -92.28 C. 134.14 D. 92.28
Mathematics
Find the indicated root and express the answer in standard form.Cube roots of -8i
A. 2i, - 
- i, 
- i
B. -2i, 
- i, 
- i
C. -2i, 
+ i, 
+ i
D. 2i, - 
+ i, - 
+ i
Mathematics
Provide an appropriate response.The total of all the monthly payments plus the amount of the mortgage is equal to the total cost of interest.
A. True B. False
Mathematics
Multiply.(x - 4)(x + 1)(-3x - 2)
A. -3x3 - 7x2 - 18x + 8 B. -3x3 + 8 C. -3x3 + 7x2 + 18x + 8 D. -3x3 + 18x2 + 7x + 8
Mathematics