X² = 1/4 ⇒√⇒ x₁ = 1/2, x₂ = -1/2
Population: All high school students. We're interested in the health of <em>all</em> of them, that's our population.
Sample: Athletes who were surveyed. Our sample is where we got our actual data.
The answer is 50% hope this helps
$291-$210=$81
$81/0.15= 540 miles
I believe the answer is 540 mi.
The answer should be
12t^2 - 14t
Let me know if it’s right.
