Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making mistakes

Why is x= 4 a solution to the proportion 14/x 56/1 6

Which of the following represents a function? 50 !

Dimitri used a coupon that saved him 80 percent, or $6.87. he paid $34.35 for the items.dimitri used a coupon that saved him 80 percent, or $27.48. he paid $34.35 for the items.dimitri used a coupon that saved him 80 percent, or $6.87. the price of the items before the discount was $34.35.dimitri used a coupon that saved him 80 percent, or $27.48. the price of the items before the discount was $34.35.