If the scale is 2 in : 15ft, what is the scale factor? i originally but b , but i think it's

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

What is the solution set for z+10=z-2

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.