Answer:
Step-by-step explanation:
Pythagorean Theorem:
In this case, a = 9, b = a, and c = 15.
The, we subtract 81 from both sides getting:
,
Then,
Answer:
110
Step-by-step explanation:
180-35-35
Answer: -7/3
Step-by-step explanation:
Perpendicular lines have slopes that are negative reciprocals of each other.
283.5 because 6.75 times 21 is 141.75 then u need to mulitply it by 2.