For the answer to the question above asking <span>what is the probability that a randomly selected student will be a boy that brings his lunch to school? I'll provide a solution for the following problem below.
</span>P(boy |lunch) = P(boy and lunch)/P(lunch) = 0.40
P(boy and lunch) = P(lunch)*0.4 = 0.3*0.4 = 0.12
U decreased by 17 is u-17.
if you decrease a number from something, you use subtraction.
therefore, u decreased by 17 is u-17
Answer: (3a+b)⋅(9a 2
−3ab+b2 )
Step-by-step explanation: