Answer:
15
Step-by-step explanation:
magical it is 15 because it is what it is
12x+12 because you do the distribution property and this is how 3*9=27 3*4x=12x 3*-5=-15 27-15 = 12 so 12x+12 would be the answer it is really simple.
What is the algebraic expression?
Answer:
24.8 degrees
Step-by-step explanation:
input the side lengths into the law of cosines, and subtract from 180 to get your final answer. hope this helped, and good luck :)
D.
Perimeter is when you add and not multiple:)