12 + (8 x (4 + 3) + 2) - 6

evaluate the expression plz help

​

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)