Answer:
26
Step-by-step explanation:
-13+13=0
0+13=13
13+13=26
(f-g)x= -x²+13x+13
Hope it helps you....
70/29 or 2 12/29
here 8x and (2x+60) are corresponding angles
since line l1 and l2 are parallel, so the two angles will be equal
8x=2x+60
8x-2x=60
6x=60
dividing by 6
x=10
option D. 10 is correct
