Alexa and Bart are arguing about who will do the dishes. How can they make a fair decision?

By substituting x into the equation, it will allow us to determine y since only one variable remains unsolved.
y = 8 - 2x
y = 8 - 2(8)
y = 8 - 16
y = -8

The area of a rectangular living room is calculated using length multiplied by width

This area is stated to be 40 square meters (area = 40 sq. meters)

Let the width be x meters

Length will be X+3 meters

Area = Length x Width

40 = X * (X+3)

40 = X^2 + 3X

We solve this quadratic equation

Thus, x = 5 or x= -8

As width cannot be negative, we discard x =-8

Hence, x = 5 is the solution

Width of the room = 5 meters

The vectors r(t) and s(t) are indeed parallel.

Is there an accompanying graph in this question?

Solution:

x=8

Detailed explanation:

This isosceles triangle consists of two right triangles with sides equal to 8,, and y

Considering we possess two sides of a right triangle, determining the third side can be achieved using the Pythagorean Theorem

Because it is an isosceles triangle, these two right triangles are the same, thus x=2y

Hence, x=2(4)=8