84 + 96 + 72 + 77 + 91 = 420
The sum of 84 and 72 is 156.
77 + 84 = 161
y=84-72=12 z=84-52=32 x=84-12-32=40
Median: 80 Mode: 72, 80, 120, 98, 78, 84, 77
72 + 12 = 84
156
77
For 72 68 64 90 80 84 78 75 76 77: σ=7.4863
168
The LCM of the given three numbers is 924
To solve (184 + 243 + 808) - (109 + 72 + 84) evaluate the parentheses first: (184 + 243 + 808) - (109 + 72 + 84) = 1235 - 265 = 970
96 plus 48 plus 84 is equal to 228.