Answer:
They bought 5
Step-by-step explanation:
65x+40y=765
65(5)+40(11)=765
I think it’s QT EJ and HA
To form a linear pair means that when added, they equal 180 degrees.
but if they have equal measures....180/2 = 90...then they would both equal 90 degrees.....and 90 degrees is a right angle.
So ABC and CBD are both right angles
<em>1</em><em>/</em><em>2</em><em> </em><em>%</em><em>5</em><em>5</em><em>=</em><em>7</em><em>7</em><em> </em><em>sooooo</em><em> </em><em>here</em>