A and C can be used to find how much ticked Rena should have left over
Answer:
Well, when adding and subtracting negatives
You can change the symbol and positive or negative of the second number like
2 + (-1) is equal to 2 - 1
So
23 + 20 = 43
Therefore, 23 -(-23) = 43 because when you take away a debt you add to your balance.
Answer:
The corn plant grew by 11.17 inches during week 2.
Step-by-step explanation:
7 and 1/3 inches tall at the end of Week 1.
The height at the end of week 1, as a simple fraction, is:

The corn plant was 18 1/2 inches tall at the end of Week 2.
At the end of week 2, the height will be of:

How many inches did the corn plant grow during Week 2?
Height at the end of week 2 subtracted by the height at the end of week 1. So

The corn plant grew by 11.17 inches during week 2.
Answer:
11
Step-by-step explanation:
6x+7=8x-15
7=2x+15
22=2x
11=x
Kiana is 14 zach is 3 times as old as him
How old is he