Proficient
the cost to rent a music studio
is $300 for a 1-hr session.
each additional hour will cost
$100 more. write an equation
that models the cost of a 4-
hour studio session.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

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.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?