7) the area of rectangle a is twice the area of square b. find x.
12

Step-by-step explanation:

A=2B

AreaA= Area of a rectangle=Base* height = base (12-x)*height(4) = 48-4x

AreaB = Area of rectangle=base(x) *Height(x) =x^2

Since A=2B

48-4x =2x^2

Divide both sides of the equation by 2

24-2x=x^2

Put everything all on one side

X^2-2x-24=0

(x+4)(x-6)=0

X=-4 and x=6

Only x makes sense since it’s not negative or else your base or one of your sides would be negative

So x=6

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

25.3

step-by-step explanation:

1st step

add 3+6

=9

multipy 9*3

=37