A fibonacci sequence begins with 1,1,2,3,5,8, what is 7th number in sequence
what is 9th number in sequence

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

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.