The expression 2(l+w) is used to calculate the perimeter of a rectangle where l is length and w is width if the length is 2/7 unit of the width is 3/7 unit what is the perimeter of the rectangle in units
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i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation: