1. Which one of the following ordered pairs does
NOT define a function?
A (5,5.5), (8, 7.5), (10, 8)
B (-2, -6), (0, – 7), (2, -8)
C (-2, 4), (-1, 2), (6, 42)
D (6,2), (6,5), (7,21)

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!