Answer:
11
Step-by-step explanation:
3 + 5 = 8
8 + 9 = 17
17 - 6 = 11
..................(1x+14y)4
6a=54 so a=54/6, a=9
b-a=14, and using a found above...
b-9=14
b=23, so a=9 and b=23 so
ab=9(23)=207
Answer:
it's corect
Step-by-step explanation:
just change the subject it is not mathematics
Answer:
∠A→∠D is and vertical angle of ∠B→∠E
Step-by-step explanation: