The line y = 2x+k is a tangent to the curve 1.+ 2xy + 20 = 0. a Find the possible values of k. b For each of these values of k, find the coordinates of the point of contact of the tangent with the curve.​

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Find the area of the triangle shown 3 by 6