The equation of a circle is x2 + y2 - 12x + 6y + 20 = 0. what is the radius of the circle? enter your answer in the box. r = ___ units​

Which of the following is the true for f(x) = 5cos

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width