A researcher would like to study the amount of mercury in trout that live in different water conditions. How could the researcher divide the population of trout before taking a sample from each population for more accurate results?
river trout; stream trout; lake trout ocean trout
all trout east of the Mississippi, all trout west of the Mississippi
trout larger than three inches; trout smaller than three inches
trout with suspected mercury; trout without suspected mercury

5/6

step-by-step explanation:

if i remember correctly with perpendicular stuff you just take away the negative

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

idkidkdidkdkdidkx

step-by-step explanation:

nndncnd cnn

snddnd