Four different sets of objects contain 2,4,6, and 7 objects, respectively. How many unique combinations can be formed by picking one object from each
set?
A. 336
B. 19
C. 361
D. 105

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Find the value of x for which line a is parallel to line b

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o