What is the location of t’ in this image s’t’u’v’

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.

Nikolas calculated the volume of the prism. his work is shown below.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?