3: 4 = 6: 8 does this equal each other

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

Which of the functions graphed below has a removable discontinuity?

How do you write 600 as a product of its prime factors (index! )