Answer:
1)49
2)231
Step-by-step explanation:
1)
4+9=13
4*2=8
8+1=9
2)
2+3+1=6
2+1=3
1*2=2
511 divided by 7 is the unit rate. So a is how you get it but d is the answer
Please don't post a set of problems with no work of your own shown.
I would gladly involve you in answering these questions, but will not do the problems and hand you direct answers. Start with #1. What do you understand about this problem, and what do you think you need to know to be able to solve it?
Answer:
x1=-25,x2=23
Step-by-step explanation: hope it helps :)