Hold on let me go do my research I’ll brb .
.00000000058 because the exponent is negative the decimal goes backwards 10 times
Let’s first find the angle y
Angle y = 180-(140+10)(angle sum property)
Angle y = 180-150
Angle y = 30 degrees
Angle x = 180- 110 ( linear pair )
Angle x = 70
Angle z = 180-(70+90)( angle sum property)
Angle z = 180-160
Angle z = 20
21 the answer is 212131313133747583297475757472884756272847e
8x+13 is the simplified version