Which of the following graphs shows a proportional relationship?

PLEASE HELP MEE

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position