Emergency hw

Which of the following ordered pair could NOT be included in this set if it is a
function?
{(-4,2).(3,6),(4,3), (x, y) }

A. (x, y) = (3,6)
B. (x, y) = ( 4,-3)
C. (x, y) = (1,2)
D. (x, y)= (-3,6)

Irene bought 3 yards of fabric and a spool of thread for $28.10. if the spool of thread cost $1.25, how much did the fabric cost per yard?

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64