Given a family with three children find the probability of the event the oldest two are girls given the oldest is a girl

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Find the area of the regular hexagon if a side is 20 cm.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "