The CSS class selector

is used when you want to instruct the browser to display a link color when you click on it.
matches any elements assigned a specified value.
assigns HTML metatags for better search engine performance.
matches a unique element based on its assigned value.

Wireless communications is likely to be viewed as an essential part of an enterprise network infrastructure when: select one: a. mobile communication is needed b. communication facilities must be installed at low initial cost c. communication must take place in a hostile or difficult terrain that makes wired communication difficult or impossible d. the same information must be broadcast to many locations

What is the largest decimal number that can be represented by a binary number with 4 place values? (remember, each place in a binary number has a value of a power of 2, starting in the ones place with 20.)

Look at the far left lane in the picture. explain what the red car is doing and what it needs to do to travel safely.