25, 8, 10, 35, 5, 45, 40, 30, 20 what is the lower quartile of the given data set? a. 5 b. 8 c. 9 d. 10

The lower quartile is the mean of the lower half of the data set, not incuding the median value. In this case, the lower half is 5, 8, 10, 20 and the median is 9.

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

mean, 40.6

step-by-step explanation: