Which shows the correct substitution of the values a, b, and c from the equation 1 = -2x + 3x² + 1 into the quadratic formula?
Quadratic formula: x=
- b ± √b² - 4ac
2a
O x=-(-2)V(-2)2 - 4(3)(0)
2 (3)
x
-(-2) +V(-2)2 - 4(3)(2)
2(3)
O x=-(-2)/(-2)2 - 4(3)(1)
2(3)
O x=-331 32 – 4(-2)(0)
2(-2)
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part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

i believe it's a.

i'm not sure on this one, most likely correct.

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.