(a) the curve y = x/(1 + x2) is called a serpentine. find an equation of the tangent line to this curve at the point (3, 0.30). (round the slope and y-intercept to two decimal places.)

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Which is a graph of a proportional relationship?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?