Which of the following best describes the relationship between these lines? 2x + 3y = - 24 and y=2/3x-24
a)parallel
b)perpendicular
c)cannot be determined
d)none of these

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Which of the following vectors are orthogonal to (2,1)? check all that apply