The decimal value -85 is to be stored ina byte using 2's complement representation. what hexadecimalconstant should be used?
(a) $56 (b) $aa (c) $ab (d) $d5 (e) none of these.

To insert a column without using commands in any tabs, a user can -click and then click insert column.

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.

How do we use the sumif formula (when dealing with different formats) ?