Which statement is true about a right triangle?
a. the two angles other than the right angle must be total 90 degrees
b. exactly two angles must be right angles
c. one angle must measure exactly 60 degrees
d. all three sides of a right triangle must be equal to each other

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

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