Write the equation for the function that results when "reflect in the y-axis and stretch vertically by a factor of 7" is applied to the base function y=7^x

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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