YALL I NEED HELP WITH MATH HERES THE FIRST QUESTION

x + 6 - 3x - 8

-2x-2

Step-by-step explanation:

x+6-3x-8

x-3x+6-8

-2x+6-8

-2x-2

- 2x - 2

Step-by-step explanation: Collect the terms -2x then factor the expression -2 which is -2(x + 1) which equals - 2x - 2.

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.

hi there!

step-by-step explanation:

a roof pitch is basically for every inch rise there is 12 inches run.

the height of the roof is also known as the rafter.

formula: rafter^2 = rise^2 + run^2

rafter^2 = 5^2 + 12^2

rafter^2 = 25 + 144

rafter ^2 = 169"^2

the height of the roof from the lowest point to the highest point is 169"^2.

hope this : )