Just put a closed circle above 5 on the # line.
Answer:
and 
Step-by-step explanation:
Options

Required
Select the unit rates
Unit rate involve two items where the first item being measured can be any positive number, but the second item must be measured in units (i.e. 1)
For clarity:
If
represents unit rate, then 
Having said that:
Only
and
satisfy the condition of unit rates; others are not because they have a denominator other than 1
The right answer is Option A:
Step-by-step explanation:
Given expression is;

We will solve this expression for x, therefore,
Multiplying both sides by r

Subtracting t from both sides

Dividing both sides by 2

The right answer is Option A:
Keywords: subtraction, division
Learn more about subtraction at:
#LearnwithBrainly
Answer:
0
Step-by-step explanation:
-5 + 18 + (-12) + (-1)
-5+18-12-1
13-13
0
Answer:
Step-by-step explanation:
start by subtracting the original value from the reduced value.
205.67-145.90=59.77
now compare the change of rate
59.77=r(205.67)
59.77/205.67=r
r=29%