Here is the equation of a circle in standard form.
(x − 4)2 + (y + 8)2 = 64

What are the coordinates of the center of the circle?

A. (8, -4)
B. (4 , -8)
C. (-8, 4)

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax