(there are four questions here pls answer if you know any of them) simplifying expressions 1. 42x + 12x ?
2. 17w - 8w
3. 25.42e - 23.3e
4. 88h + 30.5h
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Graph the equationy= x+3[tex]y = x + 3[/tex]

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

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