Um Can yall help me pls ;)

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?