Which railroad built from west to east

In 1862, the Pacific Railroad Act chartered the Central Pacific and the Union Pacific Railroad Companies, tasking them with building a transcontinental railroad that would link the United States from east to west.

Explanation:

In 1862, the Pacific Railroad Act chartered the Central Pacific and the Union Pacific Railroad Companies, tasking them with building a transcontinental railroad that would link the United States from east to west.

whose power in the senate is equal to the power of the speaker of the house?

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but