4. Factor the expression. 4b2 + 28b + 49
A (2b + 7)2
OB (2b - 7)2
C (-2b + 7)2
OD 2(b - 7)
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The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.