What are the coordinates of the center and the measure of the radius for a circle whose equation is (x + 9)^2+(y+4)^2=81

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?