Sandra has a bag of marbles, in the bag she has 7 yellow, 6 blue, and 3 red marbles. 1. Find the sample space of all the possible outcomes if she were to pick two marbles from the bag without replacement.

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it

b). 4320 have a nice day

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step-by-step explanation:

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.