Fill in the missing steps for the derivation of the
quadratic formula using the choices below.
step 1: ax? + bx + c = 0
step 2: ax? + bx = -c
step 3:
2a
aix + = +v02-4ac
b: x2 + x
step 4: x2 + x +
= =+ b
40-
step 5:
step 6:
- b + vb2 - 4ac
- za
step 7 x = - + vo? z4ac
d: (x+3)* = -ae. b?
step 8:
step 8
done
done
.

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?