9x-3+69-3x=0
6x+66=0
6x=-66
X=-11
Wa=0.5Wb, Ha=20, Hb is unkown
the area of rectangle a is : Wa*20
the area of rectangle b is : Wb*Hb
Rectangle a has 7 times the area of rectangle b: Wa*20=7*Wb*Hb
Replace Wa with 0.5Wb: 0.5Wb*20=7Wb*Hb => Hb=10/7
Answer:
19
Step-by-step explanation:
9+10 is 19.
Correct Choice is B.
•Apex Approved•
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Answer:
a. Library card
Step-by-step explanation:
A bank is most comfortable with a government-issued picture ID. A library card usually will not provide any assurance that you are who you say you are.
