Sorry i cant see the picture
(6 - 2) - 1 = 4 - 1 = 3
6 - (2 - 1) = 6 - 1 = 5
The associative rule doesn't work for subtraction because you get different results when you move the parentheses.
Answer:
x=93°
Step-by-step explanation:
the lower left interior angle of the triangle is 39° because it is an alternate-interior angle to the one marked as 39°
the lower right interior angle is 180-132, which is 87°
therefore, x=93° because the three angles must add to 180°
Step-by-step explanation::20x-10x=10x(2-1)=10x
Answer: Florida:67
Goergia:159
Step-by-step explanation:
5a-8=5x15=75-8=67
2fx67=2x67=134+25=159