7x - (25x^2 + 12x) = 7x - 25x^2 - 12x = -25x^2 - 5x
Answer:
x = 35 degrees
Step-by-step explanation:
the little box on the left side of the ttriangle means that is a 90 degrees angle.
So you add 55 + 90 = 145
Then subtract 180 - 145
which gives you 35
Answer:
V
Step-by-step explanation:
Five (5) in roman numerals would be V
C - divide 20 by 2 1/2 and you’ll get eight