The point P(1, 2) lies on the curve y = 2 over x^2. Estimate the value of the slope of the tangent line to the curve at P(1, 2).

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n