An infinite group of individuals, measured for some variable, quantitative character, from which a sample is taken is called

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Pls never taught i’m really confused and i rlly need