Line b passes through points (7, 1) and (9, 10). Line c is perpendicular to b. What is the slope of line c?

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Which expression is equivalent to the expression shown?

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