10. Given straight lines L1 : 2y + x + 3 = 0 and L2 : 3y + kx + 2 = 0. Find the values of k if a) L1 is parallel to L2.
b) L1 is perpendicular to L2.​

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

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8