What is the standard form of the number shown in this calculator display? the calculator shows three point eight two e positive seven. hurry answer imma ! imma give 30 points bruh plz and if you just answer imma report

If angle 2=3x +1 and angle 3=2x +4what is angle 2

What is the area of the shaded sector?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units