The number of grocery items on two grocery list differs by 7. the total number of items is 33. how many items are on each list?

answer: the two figures are congruent.

step-by-step explanation: they're congruent because figure efgh is reflected across the x and y axis but it was also rotated.

hope it !

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value