can someone walk me step by step how i can solve this? Ted Nash must pay $1,600 in interest on a promissory note for $40,000 due 4 months from the date of the note. Find the rate of interest he will pay. thanks!

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .

Which net represents the pyramid below? meh