You subtract and find x=10
Answer:
n + 50 = 90; n = 40
Step-by-step explanation:
the angle is a right angle so it adds up to 50
one side is 50
so
n + 50 = 90
subtract 50 to both sides
n = 40
Answer:

Step-by-step explanation:
We know that
, because
.
Now, angle 15° or 195° is not an important angle which can be solve by a given table like 30°, 45° or 60°. This means we have to use the calculator to find the more exact value, which is

Hello there!~
a² - 6a + 9
The factorization of that is (a - 3)²
6h² + h - 70
The factorization of this is (3h - 10)(2h + 7)
I'm gonna take a look at the other questions.