Determine whether each relation is a function and give a reason? 1. {(24, 1) , (21 , 4 ) , (3 , 22) , (24 ,5)}
2. y= x + 3

Write the sentence as an equation. b increased by 281 is d

Is this a polynomial function? i need to know asap

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00