What is the answer if x=2? -3x^2+14x-2

What is the length of the unknown leg in the right triangle ?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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