What is the value of x?

sin(x+11)°=cos(2x+22)°

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x =

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°