Answer:
HTML and SQL
Step-by-step explanation:
Answer:
150 degrees
Step-by-step explanation:
- Let the supplement = x
- So the angle you want is 5x
- Then [x + 5x] = 180 because they are supplementary.
- Solving. 6x = 180. Then x = 30.
- So the angle is 5x = 5×30 = 150 degrees
Answer: 19
Step-by-step explanation:
The boy is 15 because twice the age of his sister is 12, then you add the three years to it and get 15
Answer:

Step-by-step explanation:
Let
represent the number of hours Gary must work per week.
The contract states that Garry must work more than 20 hours.
This can be represented algebraically by the inequality;
