I need help with this, my brain is dead :p

Nrectangle pqrs, pq = 18, ps = 14, and pr = 22.8. diagonals pr¯¯¯¯¯ and qs¯¯¯¯¯ intersect at point t. what is the length of tq¯¯¯¯¯? a.7b.9c.11.4d.22.8

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

In order from largest to smallest what are earths five main oceans