j = # of jars
b = # of buckets
y = total # of rocks
2j + 3b = y (2 rocks per jar, 3 rocks per bucket)
Because Joy has 3 jars you can plug 3 in for "j", and because she has 4 buckets you can plug in 4 for "b"
2(3) + 3(4) = y
6 + 12 = y
18 = y
Answer:
8
Step-by-step explanation:
Isolate and solve for C

Answer:
D
Step-by-step explanation:
A squared plus B squared equals C squared
Answer:
y=5x/2 + 9
Step-by-step explanation:
Check the above picture for workings