Answer:
(
+4)-3
Step-by-step explanation:
since it says "and four" i think it means it is in parenthesis
Answer:
Step-by-step explanation:
This is a special right triangle that has 30, 60 and 90 degress corners. Because it is a special triangle, it also has side length values which always consistent relationship with one another.
Side opposite the 30° angle: x
Side opposite the 90° angle: 2x
So, 
Then use Pythagorean theorem. 




12 to 30 because all you do is subtract :P I am doing 1-3 seventh-grader math even though I am a sixth-grader...
y=-8/7x +12/7 hope it helped