Find an equation of the largest sphere with center (5, 4, 9) that is contained in the first octant? describe process.

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

For each proportion find the unknown number x 1/5/8=×/15

Will give a: 122 b: 90 c: 48 d: 180