What does the transformation f(x)↦3f(x) do to the graph of f(x)? stretches horizontally or vertically ?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?

Enny is cooking a chicken for dinner. a chicken needs be cooked for 40 minutes per kilogram, plus an extra 20 minutes. how long will it take to cook a chicken weighing 3 kilograms