Why is 10^5/10^4 equal to 10^11? Explain or show your thinking

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x