How many 5-digit numbers can be formed out of the digits 0, 1, 2, 3, and 4? Identify whether the situation involves combinations or permutations.

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe