20%, because if 65 is 100, then 52 is 80% out of 65; so 100 - 80 is 20
Answer: x = 20.
Step-by-step explanation:
x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.
Right angles are 90 degrees, so you can add both angles to get 90:

Answer:
Step-by-step explanation:
7/9
Answer:
up 2, right 3
Step-by-step explanation:
up 2, to the right 3.
You use inclined planes by putting an object on something and push it down like a ramp.