Answer:
It should be 92
Step-by-step explanation:
4x+4y..........................
(11 + 21) - ( 3 - 100 )
= 32 + 97
= 129
or (11+21)-(3+100)
= 32 - 103
= - 71
I have no idea about your topic but hope it's right! Good luck
Answer:
The perfect square number between 40 and 50 is 49 which is a square of 7.