There are four taxi firms in a town. Firm B has twice as many cars as firm A. Firms C and D have the same number of cars, which is 2 less than the total number of cars of firms A and B. The total number of cars for all the firms is 50. How many cars does each firm have?

In the 30-60-90 triangle below side s has a length of and side r has a length

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?