For which set of data is the mean the best measure of central tendency? a: 10, 15, 17, 17, 12 b: 10, 20, 80, 40, 190 c: 10, 12, 40, 150, 100 d: 10, 15, 19, 17, 2

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.