Which of the following lists of ordered pairs is a function?

a. (0, 3), (1, 5), (4, 2), (0, -3)
b. (10, 5), (6, 3), (12, 6), (4, 2)
c. (5, 7), (4, 2), (2, -4), (5, 3)
d. (10, 5), (6, 3), (10, 2), (4, 6)

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95