Which statement is true of the determinant of a matrix? a. it can be either positive or zero, but never negative. b. it can have more than one value, depending on the order of the matrix. c. it is the product of all diagonal entries in a square matrix. d. it can be computed only for a square matrix.

The highest common factor of 132 and 220

Can someone check my answer? you : )

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list