Find, in ascending powers of x, the first 3 terms of the expression (1+kx)^4 (1-4x)^3.If the coefficient of x is zero, find the value of k and the coefficient of x^2.

Answer this question! 30 points and brainliest! only if you know the answer.

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.

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost