#6 a bookstore has 15
aisles. each aisle has 22
shelves. how many shelves
are in the bookstore?

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.

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?