Answer:
-4x=4
Step-by-step explanation:
-4x+7=11 subtract 7 add to the 11 answer-4x=4
Answer:
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Step-by-step explanation:
Answer:
65
Step-by-step explanation:
The area of the square is
and the area of a single triangle is
.
The total area is the square plus the 4 triangles 
(5x+3) is the width, its factors form is (5x+3)(3x-5)
Answer:
Alternate-exterior angles theorem.
Step-by-step explanation:
Two parallel lines are cut by a transversal, and if there are a pair of congruent angles that are outside of the parallel lines, and on opposite sides of the transversal, you will have the alternate-exterior angles theorem.