F(x) = x^2 - x - 1

What is the average rate of change of f over the interval -1 ≤ x ≤ 1

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

What are the soultion(s) to the quadratic equation 40- x^2=0