Astore is having a sale where winter clothes are 60% of the original price. a sweater is on sale for $30 . what was the original price of the sweater?
can you show the work that is easy to understand?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Find the area of the regular hexagon if a side is 20 cm.