Answer:
x= 7
Step-by-step explanation:
4x+9 =11x-61
9 = 7x - 61
70 = 7x
x = 7
The first one because the left bound is included [ and the right one is not )
2x + x + 33 = 90
3x + 33 = 90
3x = 57
x = 19
Angle 1 = 38°
Angle 2 = 52°
78 I think because you have to see the other 2 numbers