20 points and will mark brainliest

Identify the 19th-20th century art movement that embraced the machine and industrial elements and stemmed from art movement such as cubism. 1. arts and crafts 2. art nouveau 3.art deco (correct answer) 4. neoclassical

Atypical scale usually consists of one of pitches. 1. rhythm 2. octave 3. key 4. series

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