Based on past experience, a building contractor sets the probability of wining a contract at 0.24. The contract is worth $121,000 and the cost to
produce the contract proposal is $10,000. What is the expected value of
the contract proposal?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.