There is a study on exercise and health: a group of women who have been exercising
regularly for 5 years are grouped and given a wellness exam and compared to a
group of women who have not exercised in the past five years. what kind of data
collection is this?

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol

answer: #1 ads up by 8 and i don't know #2

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13