Which simplifications of the powers of i are correct?
there is more than one correct answer. select all correct answers.
i5=i3⋅i2=−i⋅−1=i
i8=i4⋅i4=1⋅1=1
i8=i4⋅i4=−1⋅−1=1
i7=i4⋅i3=−1⋅−i=i
i7=i4⋅i3=1⋅−i=−i
i6=i4⋅i2=1⋅−1=−1
i5=i3⋅i2=i⋅−1=−i
i6=i4⋅i2=−1⋅−1=1

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Witch represents the inverse of the function f(x)=1/4x-12

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.