Answer:
35
Step-by-step explanation:
6x-4x= 2x
+63+7=70
70/2=35
Im nor sure which 2 you are reffering to, but I believe 5.1 x 10 to the power of 4 would be 51,000 and the shape with 3 unequal angles is a triangle?
The third angle would measure 90 degrees
