3. Fill in the blanks so that the answer to this number sentence is correct: 2ab

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

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

What is the base of the exponential expression of 4 to the power of 5