Select the HTML tag below that configures a textbox named "email" that is 40 characters wide

The probability of an unwanted occurrence, such as an adverse event or loss, is known as a(n) _________.

Fill in the blank(s) with the appropriate word(s).

Which of the following will set the variable num to the value 8?

a. ``` num = pow(2, 3); ``` b. ``` num = sqrt(64); ``` c. ``` num = Math.pow(64, 2); ``` d. ``` num = Math.sqrt(64); ```