Which sentence is written in the active voice? A) The order was placed yesterday afternoon by the science director's assistant.

B) The science director's assistant placed the order yesterday afternoon.

C) Yesterday afternoon, the order was placed by the science director's assistant.

D) Yesterday afternoon, the placement of the order was done by the science director's assistant.

Step-by-step explanation:

B is written in active voice.

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

b.   e = 7.5h

hope this , lovely!