**Answer:**

the perimeter is 64

**Step-by-step explanation:**

the length is 24 because 8*3 = 24 and since it is perimeter of a rectangle there are two sides that are the same length which is the length are 24+24 and width is 8+8 and all together

24+24+8+8=64

The answer is -57

7+32(-4)/2

7+-128/2

7+-64

-57

1. 3n

2. 9x

3. 9wx

4. 5ac^2

5. 8wx^2

6. 4a^2 c

**Answer:**

121 cm²

**Step-by-step explanation:**

Square's area formula is

A=a²

where a stands for a side of the square

A=(11 cm)²

A=121 cm²

whenever you're talking of area you put cm²

**Answer:**

75

**Step-by-step explanation:**

75 × 75 = 5625

75² = 5625