It takes Jada 20 minutes to walk to school. It takes Andre 80% as long to walk to school. How many minutes does it take Andre to walk to school?

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?