She can color 1/20 of a square in one second, so 1/20*40=2. Hope this helps, and Brainliest answer would be appreciated!
Answer: The slope is -2 and the y-intercept is (0,1)
Step-by-step explanation:
Answer: 1 and 3/70
Explanation: Find the least common denominator and then combine like terms. The LCM is 70.