Answer:b=2.5555555555...
Step-by-step explanation:9b= -23, 9b/9=b, -23/9=2.55555..., b=2.55555...
2(x+a)^2+3(z+a)+1
2(x²+a²)+3z+3a+1
2x²+2a²+3z+3a+1
Since there aren't any like terms, you can't simplify it any more.
Answer:
Step-by-step explanation:
30 meters