Find the percentage change from the first quantity to the second quantity: From 60 km h to 45 kmh.

Write the expression 7x^3-28xy^2 as the product of 3 factors

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

What is the surface area of a cube with the volume of 729 ft?