Aprofessor has noticed that even though attendance is not a component of the grade for his class, students who attend regularly obtain better grades. in fact, 40% of those who attend regularly receive as in the class, while only 10% of those who do not attend regularly receive as. about 70% of students attend class regularly. let events r = regularly and a = grade a. a) match the given percentages with symbols of events 10% 1. p(r) 40% 2. p(r and a) 70% 3. p(rc | a) 4. p(rc and a) 5. p(a | r) 6. p(a | rc) 7. p(r | a) b) the overall percentage who receive as is %.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.

What is the radius of the cone in the diagram? round your answer to the nearest whole number