How many classes does the Bootstrap grid system have?

The .text-hide class is used to maintain the accessibility and SEO benefits of which HTML tags?

What is the range of values allotted to classes built from a default Sass map?

Which CSS display value does not add a line-break after the element, so the element can sit next to other elements?

What class name to add to this image tag in order to make it responsive? 

<img src="image.png" alt="image" class="" />

Which of the following usages of visibility utility classes is correct?

Statement 1: Button groups can be nested.

Statement 2: Drop-down menus can be created within a button.

To hide an element up to large screen size but always show it on print, which Bootstrap classes are used?

Which of the following statements is true regarding the above-mentioned list of Bootstrap button classes?

Setting a grid tier of .col-sm-6 means that the div will be 6 columns wide on the sm breakpoint and everything below it.