Pease help with these 2 -_- yah this is kinda weird I’m always asking for help with 2 questions XD

Will mark brainliest if answer is ! need asap

What do you know about the principles of design and the elements of art?

Identify the expression 8 + 8 + 8 + 8 as a numerical expression or a variable expression. for a variable expression, name the variable.