At Nivea's Newsstand, 6 magazines cost $18.00. How many magazines could you buy with $9.00?

What is the length of bc ? enter your answer in the box. bc =

1. are the triangles similar and if so why? what is the value of x? show your work.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax