Nico needs to change the font and color of his worksheet at once. Use the drop-down menu to determine what he should do. First, he should select all of the worksheet at once by clicking the
.

Then, he should right-click the
to change the font of the whole worksheet at once.

Release the cursor and select the
to change the color of the font.

Release the cursor and both font and color should be changed.

A-12.3 an american spy is deep undercover in the hostile country of phonemia. in order not to waste scarce resources, any time he wants to send a message back home, he removes all the punctuation from his message and converts all the letters to uppercase. so, for example, to send the message, “abort the plan! meet at the dark cabin.” he would transmit given such a string, s, of n uppercase letters, describe an efficient way of breaking it into a sequence of valid english words. you may assume that you have a function, valid(s), which can take a character string, s, and return true if and only if s is a valid english word. what is the running time of your algorithm, assuming each call to the function, valid, runs in o(1) time?