Answer:
49.
7×7=49.
Step-by-step explanation:
i did this. hope it helps
For number 7.
Supplementary angles sum to 180.
2x+4x=180
6x=180
x=30
The two angles are 2x and 4x or 60 and 120
Ok it is so easy it is 489467000
Answer :135
Answer reasoning : since X equals five you add 5+4 for the parentheses then 3×5 then multiply the 9 and the 15.