Answer:
x = 21.
Step-by-step explanation:
AS there are parallel lines:
4/12 = 7/x
4x = 84
x = 84/4 = 21.
Answer: 30,000 months or 2,500 years
She'd better start saving more haha.
Step-by-step explanation:


24 hours
Because 24 hours equals 1 day or one rotation of the clock
The vertex would be the point on the right angle like the tip of the right angle
Answer:
Step-by-step explanation:
4 is coefficient
x is variable
12 is constant