Is 0.97 an irrational or periodic

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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.