4. In the given figure ABCD is a square tile, on which rangoli design is drawn. Find the area of the rangoli design and the area of the remaining part of the tile ABCD, if AB = 20m, PQ = 8m, OQ =5m and OP= 9 m​

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Solve the system of equations. y= 2x y= x^2 - 15