Amira has two balls. One ball has a mass of 285 grams, and the other has a mass of 275 grams. What is the difference in the mass of the balls? ​

Find the values of y: 3y^3(y^2+ 2/3y)=0

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

Find cot x if sin x cot x csc x = √2