What is the equation of line that is perpendicular to the line y = - 1/2 * x + 9 and goes through the point ? (0, - 1)

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 of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?