Xex = cos x. (a) Find a interval [a, b] containing a root α

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf