Use a graphing utility to graph the polar equation.r = sin4 4? + cos 3?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Subtract.2.1 - 0.0004
A. 1.9996 B. 2.1096 C. 2.0996 D. 2.096
Mathematics
Solve the problem.A church has 8 bells in its bell tower. Before each church service 5 bells are rung in sequence. No bell is rung more than once. How many sequences are there?
A. 6720 B. 672 C. 56 D. 336
Mathematics
Multiply.-9x2(-10x6 - 4x5)
A. 126x2 B. 90x8 - 4x5 C. 126x8 + 126x7 D. 90x8 + 36x7
Mathematics
Solve the problem.The air speed of an airplane is 650 km/hr and its angle of climb is 4.60°. What is its ground speed (to the nearest km/hr)?
A. 648 km/hr B. 638 km/hr C. 643 km/hr D. 633 km/hr
Mathematics