Determine the null space of the given matrix a. express it in set notation. find a basis for the null space of a. what is the dimension of the nullspace(a)? a = [0 -2 5 3 0 -4 -2 4 0 -6 -3 6] (a) find a basis for the null space of a. what is the dimension of the nullspace(a)? (b) find a basis and the dimension of the rowspace(a). (c) find a basis and the dimension of the colspace(a).

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Find the nonpermissible replacement for binthis expression. b2/5b +5

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?