What is the next step marcin should perform? what is the volume of the half sphere? v = π cm3

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Measure of angles 31 (x+4) (3x+9) me

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236