HELP PLEASE
no work needed just is it a function or not

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.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.