C is the one who should be circled cause 3*3=9 than 7*3=21 it should be 21 instead of 28
They all have 3 angles and 3 sides
64-52=12
1766-755=1011
1011+12= 1023
The answer is 1023
Answer:
15/56 a²
Step-by-step explanation:
because we are ✖️ it
So you add all the like terms.......i.e numbers with same variable
so,
5x+9y-7x+2-5y-7x+2-3x
=(5-7-7-3)x+(9-5)y+2+2
=-12x+4y+4