How do i take the square root of

-9x-8x^2=-209

. i don't know what to do when i have it equal to something other than zero,

Can you simplify 4/7? 24 points will be awarded!

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*