Alguém pode me ajudar, por favor? Em um triângulo retângulo um cateto mede x, o outro mede x+7 e a hipotenusa mede 13. Determine a medida de cada cateto.

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83