Find the absolute maximum and minimum values of function f on the set D f(x, y) = e^-x^2-y^2()x^2+2y^2; D is the disk x^2+y^2<=4

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

What is the sum of the first 8 terms of the geometric series