Answer:
The answer would be 84
Step-by-step explanation:
3x84=252
252/7=36
36-6=30
Answer:

Step-by-step explanation:
Given number is
.
Two-third of the number = 
One-third of the number = 
The sum of a certain quantity
together with two-third of that number, and one-third of that number, becomes 234.

Answer:
2, 4
Step-by-step explanation:
i just look at a graph
30+18=30+6y
18=6y
y=3 so the answer is 3
Answer: 30 deg
Step-by-step explanation:
This is an example of a 30-60-90 triangle because the proportions of the sides are 1-2-sqrt(3). Therefore m<X = 30 degrees.