Abox is 12 centimeters wide ,12 centimeters long, and 15 centimeters tall. what is the total surface area of 4 such boxes?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

9/10 divide by -3/15 as a mixed number