Perform the operation (1-2i) - (7+4i)

This is a continuous set of numbers. every real number from the starting value to the ending value is included. it is called an ___.

You draw 4 cards from a deck of 52 cards with replacement. What are the probabilities of drawing a black card on each of your four trials?

What is the reference angle for an angle with a measure of 175°?

What is the size of the universe

Simplify the expression where possible. (-5x^2) ^3

Need to know what 10 - blank = 16 For a first grade math problem

A civics teacher asked her students to indicate whether they believed each of two headlines. One headline was false and the other was true, but the students did not know this.

Solve the follow 3 (2z-4) = 60

If f (x) = x^2 + 2x + 1 and g (x) = 3x-4, which is equivalent to (f+g) (x)

Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 12. Use the empirical rule to determine the following. A.) what percentage of people has an IQ between 64 and 136? B.