Answer:

Step-by-step explanation:
19*19=361.
Answer:
860.3
Step-by-step explanation:
43·π·5.93≈860.28954in³
860.28954 = 860.3
The answer would be 45 weeks, since you do 530-80 since that is the part the parents will foot, which will be 450 left. Then you do that divided by 10 since you plan to save 10 dollars a week and therefore are left with 45 weeks.
Mason needs 9 more seed packets to have a total of 20 plants in his yard.
Simplified:
20-11=9