There are 4 lunch choicea ina school cafeteria salad, pizza, spaghetti, and sub sandwiches the percentage of students that chose salad is 15% if 45 students chose salad, what is the total number of students that ate lunch

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

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 %