The equation of a sphere is similar to the equation of a circle. The equation of a sphere with center (h, j,k) and radius r is (x - h)^2 + (y-j)^2 + (z-k)^2=r^2. M(-1,3,3) is the center of a sphere passing through T(0,5,3). What is the radius of the sphere? What is the equation of the sphere?

If f(x)= 3x+6 which of the following is the inverse of f(x)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?