Given three tangent circles A, B, and C with AC=b, AB=c and BC=a, find the radius of circle A in terms of a, b, and C.

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )