25 Points ❣️ Directions: Identify the constant/s and variable/s in each algebraic expression.

Given Constant. Variable

1. 7׳
2. 3a² + 1
3. 10 × + y
4. 25r³ + 10s²
5. 40a⁵b⁴ - 11

1. variable = x

2. constant = 1,  variable = a

3. variables = x and y

4. variables = r and s

5. constant = -11, variables = a and b

Step-by-step explanation:

1. variable = x

2. constant = 1,  variable = a

3. variables = x and y

4. variables = r and s

5. constant = -11, variables = a and b

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

to find the unit price, we must figure out the cost of one item (in this case one dish towel).   to do this, we divide the total price ($7.92) by the number of items bought (for this problem it is 8, because there are eight dish towels in one pack).  

$7.92/8 = $0.99

therefore, the unit price, or the price of one dish towel, is $0.99.

hope this !