Five people were asked about the time in a week they spend in doing social work in their community they said 7,10,13,20,15 hours respectively. which methametical concept is used in this question??

what value is depicted in this question?? answer me fast please...​

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

X-intercept=-5 y-intercept=2 the equation of the line is