Which expression below shows a 30% discount followed by a 20% increase? A: (0.7x)(1.2)
B: (0.3x)(1.2)
C: (1.2x)(0.7)
D: (0.3x)(0.8)

you need to learn ill give you the answer but remember it so you can learn

c

Step-by-step explanation:

1.2 0.4. NS. Pure error 15 42.0 2.8. No significant lack of fit. 3b. Yes. 4a. ... D. First note that the sum of squares function for the no-intercept model is ... {2: (Xi - X)(Yi - Y)F _ SS(Rlho) _ 2 ... The plot of the residuals against Y indicates the omission of the f30 term in the model. 4. ... C. A is 2 X 3, b is 2 X 1, C is 2 X 2, D is 3 X 3.

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300