GIVING BRAINLIEST PLEASE HELP!!easy points. -if you answer correctly ill give you brainliest which will give you 30pts-

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

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