I need help with these two questions/graphs (geometry )

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here