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.​

Approximately how many more job openings are expected for security guards than pharmacy technicians? a. 2,000 b. 11,100 c. 21,000 d. 32,000

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)