What is the radian measure of the angle subtended by an arc of length 5.11 units on the unit circle? i need this answered ASAP

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

Need same math paper but the back now i hope your able to read it cleary i need with hw

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense