Triangle DEF is similar to triangle ABC. What is the measure , in degrees , of angle F Explain how you know . PLS HELP AND GIVE A GOOD EXPLANATION PLS I NEED HELP NOW.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.