At the end of the city's annual marathon, each participant completed a questionnaire. the marathon's planner randomly chose 30 of the surveys to review. which statement best describes the random sample? a) the 30 surveys are likely to be representative of all the runners in the marathon. b) the 30 surveys are likely to be representative of all who came to watch the marathon. c) the 30 surveys are not likely to be representative of all the runners in the marathon. d) the 30 surveys are likely to be representative of only the runners placed in the marathon.

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.

36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)