You designed a program to create a username using the first three letters from the first name and the first four letters of the last name. Usernames cannot have spaces and every user needs a unique name. You are testing your program and found the need to go back and change the design of your plan. What could have made you redesign your plan? Select 3 options.

A user has no last name.

A user’s first name is longer than three characters.

A user with a name like Bo Dod does not have enough letters in create a username without spaces.

A user’s last name is longer than four characters.

Two users have the same username when their names are John Smith and Johnson Smithfield.

Question 1(multiple choice worth 5 points) (06.04 mc) how are the respiratory and circulatory systems similar? both systems provide glucose and other substances to cells. both systems regulate blood flow throughout the body. both systems remove carbon dioxide from the body. both systems send messages to the nervous system for breathing. question 2(multiple choice worth 5 points) (06.04 lc) the respiratory system controls and the circulatory systems controls antibodies; digestion breathing; blood flow muscles; bones nerves; senses question 3(multiple choice worth 5 points) (06.04 hc) read the following summary, which describes a body process. then, answer the question. blood enters the right side of the heart and travels to the lungs. there, the lungs eliminate carbon dioxide and exchange it for more oxygen. the oxygen-rich blood enters the left side of the heart. then, arteries carry blood away from the heart. what process is being described? circulation excretion immune response respiration question 4(multiple choice worth 5 points) (06.04 lc) the system is responsible for moving blood cells throughout the body. circulatory endocrine immune respiratory question 5(multiple choice worth 5 points) (06.04 mc) which of the following functions as part of the excretory and respiratory systems? blood heart intestines lungs

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Rafael needs to add a title row to a table that he has inserted in word. what should he do? use the alignment options. use the merge and center option for all the cells in the top row. use the merge and center option on the first two cells in the top row. none of the above