Marco climbed 2 feet down a ladder. He then climbed down 4 more feet. write a subtraction equation and an equivalent addition equation to represent the situation . what was the total change in Marcos elevation?

last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

step-by-step explanation:

your mom

you'll just earn points here

step-by-step explanation:

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72