Which number is an irrational number? 3 3/4 3 3/4 √64 √, 64 √91 √, 91 10.25

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?