12.0 is the answer I think
Answer:
Sydney's age is 28
Step-by-step explanation:
Let Devaughn be D
And Sydney be S
D=S+8..... equation 1
D+S=64...... equation 2
Substitute equation 1 to equation 2
S+8+S=64
2S+8=64
2S=64-8
2S=56
S=56/2
S=28
Hope it helps
Good luck
Answer:um
Step-by-step explanation:
Answer:
256m²
Step-by-step explanation:
A=1/2{(b+b)×h}
A=1/2{(13+19)×16}
A=1/2(32×16)
A=1/2(512)
A=256
Answer:
7
Step-by-step explanation:
Area for a square is s² where 's' is a side (all sides have the same length)
