In symbolic logic, how would one translate the following: out of mandy, tom, and david, at least two run regularly. key: m - mandy runs regularly t - tom runs regularly d - david runs regularly my guess: (t& d)v(m& d)v(t& m)v(t& d& m) but i'm not certain this is correct.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]