Answer:
u =√6
v =√5
Step-by-step explanation:
u = √(1²+2²+1²) =√(1+4+1) = √6
v = √(1²+2²) =√(1+4) = √5
first and third
Emma used the product instead of the quotient and forgot the parentheses in x-4.5
9+2 is not the expresssion
2
