Question 12 Which of the following relations is NOT a function?
A
{(2, 1), (5, 7), (2, 4), (1, 9)}
B
{(2,5), (3,5), (-2, 1), (5, 2)}
с
{(-1,3), (5,7), (1, 4), (9, 2)}
D
{(-2, 4), (3, 6), (2, 3), (4, -2)}

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid. what is the equation of line t in standard form?

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

What is 10+10+20 about the origin the square root of a triangle.