Answer:

Step-by-step explanation:
because you are finding the total they both had in September, you add. 12 + 9 = 21
Answer:
If 3Tbs = 2 dozen cookies (24) u would need 1.5 more Tbs to make 3 dozen cookies
To get Tbs u would take 3+1.5=4.5 Tbs
Answer:
470.4
Step-by-step explanation:
489-18.6
8 10
489.0
- 18.6
470.4
Answer:
12
Step-by-step explanation:
c = sqrt(a^2+b^2)
Imput numbers and solve for b!