Which expression demonstrates the use of communative property of addition in the first step of simplifying the esspression(-1+i)+(21+5i)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4