Answer:

Step-by-step explanation:

Multiplying by the function of -1
Answer:
x=7/2
Step-by-step explanation:
According to Statement,
√2(x+1)=3
Taking square on both sides,
2(x+1)=9
2x+2=9
2x=9-2
2x=7
x=7/2
Answer: a
Step-by-step explanation:
It can show she earn how much each week and how much she earn at the end of the week.