Asap which expression can be used to find 45% of 54? a.4/5 x 54 b.5/4 x 54 c. 9? 20 x 54 d. 20/9 x 54

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

With number 11 ( show how you got the answer)