Answer:
Megan would save $19.90.
Step-by-step explanation:
49.75 divided by 0.40 is equal to 19.90.
(2x-1)(2x-1)
(4x^2+2x+1)(2x-1)
(2x-1) cancels out so
2x-1
4^2+2x+1
Z score=(data value-mean)/standard deviation
z=(90-100)/15=-0.6666666667
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