I will give a brainiest... Please help

1) What is the product of 2x-4 and 3x^2-x+4? Write your answer in standard form.
Show your work.

2) What is the product of -2x^3+x-5 and x^3-3x-4?
Show your work.

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

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?