The mean weight of adult american men is 180 pounds with a standard deviation of 26 pounds. A. in a group of 329 men, how many men had a weight of less than 128?

B. in a group of 329 men, how many men had a weight above 206?

C. in a group of 329 men, how many men would weigh within 2 standard deviations of the mean? ​

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

x =-.20752

step-by-step explanation:

4^(x+2)=12

4^(x+2)=12

take the log base 4 on each side

log 4 (4^(x+2) = log 4(12)

we know log b(a^y) = y log b (a)

(x+2) log 4(4) = log 4 (12)

x+2 = log 4 (12)

we know   logb c = loga c/loga b

we want to convert to base 10   so a = 10

by default, we do not write the 10   c = 4   and b = 10

log4 10 = log 12/log 4

log4 10 = log 12/ log 4

x+2 = log 12/ log 4

subtract 2 from each side

x +2 -2 = log 12/ log 4 -2

x = 1.79248125 -2

x =-.20752