99
999
9999
ninety-nine
technically this does not start with nine
H equals eighti'll just keep on writing because it needs to have 20 characters to answer
Answer:
70
Step-by-step explanation:
another angle is 150 - 130 degree
so look at the triangle
we know x + 90 + 20 = 180 degree
so x = 70 degree
Answer:
-1/2
Step-by-step explanation:
It's the exact opposite. aka the negative version of the number.
No because for example (4-2)(x) is not the same as (2-4)(x). It would be negative