15 miles per hour = 22 feet per second
The symbol "<=" without quotes means "less than or equal to"
-6x + 2y <= 42
-6x + 2y + 6x <= 42 + 6x ... Add 6x to both sides
2y <= 6x + 42
2y/2 <= 6x/2 + 42/2 ... divide every term by 2
y <= 3x + 21
So the answer is choice D
Answer: Down
Step-by-step explanation:
It would be 3.9 x 10^4
hope this helps you
100,000/63 = 1587.3
63 goes into 100,000 approximately 1587 times
hope this helps