One day, River writes down the numbers 1, 2,, 999 What is the sum of all the digits that River wrote down? And what is the number of all the digits River wrote down

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

Match each polynomial with its factorization.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%