Hoa's father has less vacations than Tim's father

hoa's father has less vacations than tim's father

Hoa'father has less vacations than Tim ' father

Ba is interested in playing the guitar.

21C; 22A

C

c

ta có:

\(\widehat {xOy} +\widehat {x'Oy} = 180^o\) (2 góc kề bù)

mà \(\widehat {xOy} = 30^o\)

=>\(​\widehat {x'Oy} = 150^o\)

vì Ot là tia phân giác của \(\widehat {x'Oy}\)

=>\(\widehat {tOx'} = \dfrac 1 2\)\(\widehat {x'Oy}\) \(=\)\(​​\dfrac {150} 2\)\(= 75^o\)

By the time we arrived at the theater, the musical had already ended

Constant exposure to the sun can lead to eye damage and skin cancer

1 isn't done

2 is asked

1,Isn't done

2, is asked 

cảm ơn nha

a)-620

b)-160000

c)-6531

d)-1