Use the definition, identities, and properties of imaginary numbers to simplify each of the following expressions. Match each item with its correct simplest form. 1. - i6 · i3 · i-5
2. ( i3) 5
3. ( i5 · i-2 · i8) 0
4. -( i4) ( i0) ( i7)

match them to

1
-1
i
-i

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?