Use the equation xy= 12.6. Find the value of y when x=7

What is the least common multiple of 16 and 3?

Could somebody me with this radical simplification?

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