What's the complex conjugate of 13-21i

A. The seats are divided into 40 different sections thats are given in only 5 sections, what is the probability of a guest's sitting in a section that gets a hat?

Which is equivalent to 3 square root 81/4

All real numbers that are at lest 2 and at most 9

What does x equal in the equation 40:x=6

The measure of ∠TML is 104°. What is m∠LMV?

Simplify 1/6+1/4-1/3

What is 32 in expanded form

A rectangular bedroom floor had an area of 100 square feet abd a length of 10 feet. what is the perimeter of the floor?

Sydney wants to make 15 beaded rings for a craft show. She needs 60 beads for each ring. She has 852 beads. Does Sydney have enough beads to make 15 complete rings? Explain your answer. Include all work used to determine if she has enough beads.

What is the coefficient of the second term in a binomial that is raised to the sixth power?