Yes they are because they are different. Reciprocals is the opposite of a number
Answer:
2x+8b
Step-by-step explanation:
First since 1 and 8b are on the same side mutiply them:
1bx8=8b
So our new equation is 2x+8b
189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189
461 because you take 506-45 to find x(the unknown number)
