Please help. I'm not getting this. Use quadratic regression to find the equation of the parabola going through these 3 points: (4,80),(-3,-11), (-1,-15) Thank youuu!

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5