Misha's group was asked to write an expression equivalent to 7yz + 3yz? - 3. when mr. chen checked their answers, he
found only one to be correct. who had the correct answer?
student
misha
juan
misha's group
equivalent expression
4y? z-5+ 3yz? - 3y²z+2
gyʻz-2+ 3yz? - 2y+z+1
7y²z+ yz? +2+2yz? +1
7y+z+6yz? -5-3yz? +2
joe
helena
o misha
juan
o joe
o helena