As a result of parallel lines being intersected by a transversal, through corresponding angles...
21x+5=20x+11
x=6
21x+5=21(6)+5=131
Answer: D
Yes, since adding two like variables will always result in the same variable.(i.e. x+x=2x not x^2). Any expression with the highest variable being to the power of 1 (or just x) is ALWAYS a linear expression.
8/12 16/24 32/36 64/72 hope this helps you!!!
Answer:

Step-by-step explanation:
