When a number and letter are together, it means multiplication.
So, it is read as "23 times f".
<span>B. 2d^2+6d-7. Should be the correct answer.</span>
<span>Shaded region is when x is negative</span>
The answer to this question would be: <span>The new survey’s margin of error will be between 50% and 100% the size of the original survey’s margin of error.
A bigger sample will result in a narrower margin of error which is a good thing because your data will become more accurate. But twice size will not improve the margin into the half. It definitely became lower than 100% though
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I think they both go into 10,000 bases of the calculations from the calculator on my phone
