A line passes through (7,5) and (11,-7). Write the equation of the line in standard form. A. 3x - y = 8
B. 3x + y = 16
C. 3x - y = 16
D. 3x + y = 26

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

If i have one apple and give you the apple, how many apples do i have?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.