What radius must the sphere have so that the acceleration due to gravity at the earth's new surface would equal the acceleration due to gravity at the surface of the sun?

2(4p+1)/5< = (3+12p)/4 its less than or equal solve it for me an with explanation plz

Felipe is saving money for a class trip. he already has saved $ 2 5 0 $250 that he will put toward the trip. to save more money for the trip, felipe gets a job where each month he can add $ 3 5 0 $350 to his savings for the trip. let m m be the number of months that felipe has worked at his new job. if felipe needs to save $ 2 7 0 0 $2700 to go on the trip, which equation best models the situation?

Who can you think of that has an a in their first name and a b in their last name?