First one the answer is A; Alexander needs 70 ft
A)
Kim's age=k
Sister's age=s
k=2s
k+s=36
b)
k=2s
k+s=36
k=36-s
2s=36-s
3s=36
s=12
12*2=24
Kim is 24 and her sister is 12
Hope this helps :)
Answer:
can u please add the statements.
Step-by-step explanation:
Answer:
D. 6x2^2y^2 + 10xy^2 - 2x^2y^3
Step-by-step explanation: