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thank you so much!!

\(\text{We're talking a 6 digit number that is made up of the digits 0-6, 8-9}\\ \text{For the first digit we have 8 choices}\\ \text{For the remaining 5 digits we have 9 choices each}\\ 8 \cdot 9^5 = 472392\)

Me too! and the model answer said Browsing as well but my english teacher said surfing because Sandra isn't looking for a specific book, she is just going through them. But I think "On Amazon" changes all of that.

From pos z-score table  1.27 corresponds to   .8980

From Negative z-score table  -.52    standard deviations represents fraction .3015

-.52 standard deviations below the mean is     143 - .52(4.2) = ~  141 gm

-4.5

1 -  Volume =4/3 x pi x r^3
SA               =4 x pi x r^2
4/3*pi*r^3 =1/2[4*pi*r^2], solve for r
Radius = 3/2

ok thank you very much.

In #5, each number is the sum of the two numbers that preceded it (with an implied zero before the first 1) 

0, 1, 1, 2, 3, 5, 8, 13, 21, 34   (I don't know what S6 means, I just gave you the next number in the series.)

In #6, each number is the sum of 5 plus the number that preceded it. 

1, 6, 11, 16, 21, 26, 31

Omi, didn't you mean 1/2 x 12 x 10.4   instead of 1.4 (i.e., 1/2 x base x height) 

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Please Help 

Please Help