Goldbach''s conjecture is a famous conjecture that has never been proven true or false. the conjecture states that every even number. except 2, can be written as the sum of two prime numbers. for example, 16 can be written as 5 + 11.

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

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.]