Answer:
a = 4.5 units
b = 7.5 units
Step-by-step explanation:
By using mean proportional theorem in the ΔACB,
ΔACB ~ ΔADC ~ ΔCDB


a = 
a = 4.5


Since a = 4.5

b² = 4.5 × 12.5
b = √56.25
b = 7.5 units
Therefore, a = 4.5 units and b = 7.5 units will be the answer.
Answer:
correct
Step-by-step explanation:
to make y positive, you would divide it by -1. This makes y positive and 3 negative.
Answer:
pppkmfk
Step-by-step explanation:
225nvinf jfvvi
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t
4w
5
4
346
Answer:
b
Step-by-step explanation: