Answer:
multiply each term in one polynomial by each term in the other polynomial
add those answers together, and simplify if needed.
Answer: rate for postage purchased at the Post Office will remain at $0.55 (no change from 2020). Each additional ounce for a First Class Mail letter will cost $0.20, a five cent increase from 2020.
Step-by-step explanation:
i think it is 2
10 m
opposite = sin30° × 20 = × 20 = 10 m
