Angelika thought of a number N, multiplied it by 7 and added 9. Then she told the result Rto Lisa.
a
Write a formula that will tell you the value of R for any value of N

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

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

What rotation was applied to triangle def to create d’e’f’?