Write in the form a + bi, where a and b are real numbers: a.
5+square root of -4 over 3

Please help I don’t get these and I got a test tmr

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

Vertical angles must check all that apply

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?