Answer:

Step-by-step explanation:
÷ 
÷ 


Answer:
40
Step-by-step explanation:
you have to multiply x by 4 to get y when x=4 and y=16. so if x=10, then you have to multiply what x is (10) by 4 because there is a common ratio.
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Answer:
B = -.5
Step-by-step explanation:
If B is negative is cancels out the prexisting negative making it positive.