Find the determinant of the matrix. Expand by cofactors on the row or column that appears to make the computations easiest.

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

Find the area of an equilateral triangle with a side of 6 inches

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?