Aschool director must randomly select 6 teachers to participate in a training session. there are 26 teachers at the school. in how many different ways can these teachers be selected, if the order of selection does not matter? a.165,765,600 b.178,330 c.102,118,800 d. 230,230

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step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.