Math mee pl there is a attachment so wait at least 30 seconds pl

Find the sum to the equation 3+6+9+

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.