30 points! a circle is centered at (−4, 9) and has a radius of 11. what is the equation of the circle? enter the equation in the box using lower case variables x and y

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?