On lee's first attempt at the long jump ,she jumped 297 cm. on her second attempt she jumped 306 cm. how much farther was her second mark then her first mark ?

Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.

What is the product? (x2+3y+7) [yy+1)

Astudent simplified a rational expression as shown.