How many students scores will fall within one standard deviation, 8 students with a score of 5, 12 students with a score of 4, 14 students with a score of 3, 4 students with a score of 2, 2 students with a score of 1. Mean is 3.5, standard deviation is 1.1

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

What is the sum of the first 8 terms of the geometric series