(3 + 5i) + (11 -7i) Write answer in standard form a +bi

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

What is the slope of the line that contains the points (-2,1) and (0,-3)