**Answer: **

**Step-by-step explanation:**

The area of a rectangle is given by the multiplication of its base by its height :

**(1)**

In addition we are told the length of one of the sides (let's choose ) is:

**(2)**

**Substituting (2) in (1):**

**(3)**

Isolating :

Factoring in the numerator:

**This is the length of the other side of the rectangle**

**Answer:**

(4,5)

**Step-by-step explanation:**

x=4

y=5.

the x axis i the horizontal one

the y axis is the vertical one .

**Answer:**

m = 8

**Step-by-step explanation:**

-2(5 + 6m) + 16 = -90

Start by distributing -2 inside the parentheses. This means you will multiply everything inside the parentheses (5 + 6m) by -2.

-10 - 12m + 16 = -90

Simplify the left side of the equation by combining like terms.

6 - 12m = -90

Subtract 6 from both sides of the equation to isolate the term containing the variable m and to move all other terms to the other side (right) of the equation.

-12m = -96

Divide both sides of the equation by -12 to isolate and solve for m.

m = 8

4/3.2 = 7/x

4x = 22.4

/4

x = 5.6

**Answer:**

**Step-by-step explanation:**

First add the shoes and the toys: 63+54 = $117

Second subtract 45 dollars from $117 = 72

Third divide 72 by 9 = 8 weeks

Answer: 8 weeks