Answer:
she is correct
Step-by-step explanation:
because according to the Pythagorean theorem the interior of a triangle has to be 180 degrees total.
and a straight line has an angle of 180
so the inside of the C angle is 50
60+50+70=180
Answer is B
<span>6x5−12x4+9x3</span>
Answer:
∠TUS I'm pretty sure because t and u make a right angle
Step-by-step explanation:
<h2>Elimination Method</h2>
(x+ 2y=6)2
(2x+4y=12)1
<h3> 2x+4y=12</h3><h3>- 2y+4y=12</h3>
<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>
<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>0</u><u>+</u><u>0</u><u>=</u><u>0</u>
<h3 />