Please help quick: Which of the following numbers is not an imaginary number?
A: -4+5i
B: 45i
C:62
D:24+7i

The equation -2(4-5i)=8+10i demonstrates which of the following properties?
A: distributive
B: identity
C: associative
D: commutative

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

What is the difference between the predicted value and the actual value