Algebra Find the value of each variable.

Please please help me

Step-by-step explanation:

4. x=50 because 28+17=45, 180-85-45

y=130 becaue 180-50

z=5 because 180-130-45

5. z=59 because 40+24 =64, 180-64-57

y=121 becayse 180-59

x=5 because 180-121-64

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

step-by-step explanation: 4 cause 2+2=4