Answer:
24
Step-by-step explanation:
15 =4
15x 6=90
4x6=24
You're lucky that I was able to do this :)
The answer is 
Answer:
x>2
Step-by-step explanation:
From the given picture, we can see that 2 sides are congruen, then the given triangle is an isosceles triangle. In this triangle the base angles are congruent, so we can draw the following picture:
Now, since interior angles of any triangle add up to 180 degrees, we have

By combining similar terms, we get

Then, x is given as

Therefore, the answer is x=90 degrees
Answer:
a. mass is to kilogram.