Find the factor of
√3+5x²-40+√5

What former head of the cuban secret service was charged with protecting the country's prime minister for nearly 50 years?

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts

For each statement, select whether it is true of the central pacific railroad, the union pacific railroad, or both. it began in nebraska. it began in california. it went through the sierra nevada. it went through the rocky mountains.