Kim scored an average grade of 82 on her first four English quizzes. She wants to raise her average to a grade of 84. What is the lowest grade that she can receive on her fifth English quiz in order to achieve her goal?

1. 82
2. 84
3. 88
4. 90
5.92

Greatly appreciated!

A50% increase followed by 33 1/2% decrease

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1