A researcher is conducting an experiment to test a new vitamin supplement. The researcher has recruited 8 participants and must divide them into two groups of 4 people each. One group will receive the supplement, while
the other group will receive a placebo pill.
How many ways can the researcher create the two groups for the experiment?
O2
O 4096
O 32
O 140

54

step-by-step explanation:

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb