What is the coefficient of x4 y3 term in the expansion of ( x-2y )7?

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?