Does anyone need assistance with 6,7, or 8th-grade math science spanish i?

Debo decidir qué carrera quiero estudiar. a. después de b. antes de c. para comenzar d. temprano

En un triangulo rectangulo, el cateto largo mide 7 unidades mas que el corto a su vez la hipotwnusa mide 1 unidad mas que el cateto que area tiene dicho trangulo

Ithink this is wrong. someone check this . i retook this and it said i was wrong i think. also this is not an exam since is deleting “dishonest” pictures. it’s homework. but i still want a correct answer pls.