Trisha is solving x2 + 16x = 9 by completing the square. Which of the following describes
what her first step should be?
A. Add 16 to both sides of the equation.
B. Subtract 9 from both sides of the equation.
C. Take the square root of 9.
D. Add 64 to both sides of the equation.

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?

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.

Name two numbers whos difference is -3