Ineed with science cause i get a b or b- i want an a +

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic