Answer:
20 blocks per pound
Step-by-step explanation:
We can see the line of best fit goes through the points (0, 0) and (5, 100). WE will use these to find the slope:

Using our points,

This makes the slope 20 blocks per pound.
329 sweets
16 full bags
Explanation:
7bags x 47sweets per bag = 329sweets
329sweets / 20sweets = 16 FULL bags
Using the Pythagorean Theorem,
radius^2 = 40^2 + 9^2
radius^2 = 1,600 + 81
radius^2 = 1,681
radius = 41
9*724 answer is 6516. . . . . . . . .