What is the volume of a cube measuring: height 10m, length 15m and width 20 cm

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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.

(x-5)1/2+5=2 what is possible solution of this equation