Three communication barriers while working with technology devices?

Your mom wants to purchase a laptop computer. she said she wants her new computer to be able to play her dvds so she can listen to music and wants to know what type of optical drives will play her disk. which type of drive should she look for?

7. test average and grade write a program that asks the user to enter five test scores. the program should display a letter grade for each score and the average test score. write the following methods in the program: calcaverage: this method should accept five test scores as arguments and return the average of the scores. determinegrade: this method should accept a test score as an argument and return a letter grade for the score, based on the following grading scale: score letter grade 90-100 a 80-89 b 70-79 c 60-69 d below 60 f

99 points asap ! select the mathematical statement that is true. a.22 % 2 > −3 b.22 % 2 < 5 c.22 % 2 == 4 d.22 % 2 ! = 1 this is for my python coding class you