Alexis Leon sells miniature pot belly pigs. He gets a 15% commission on the first $900 per month of sales and 18% on the remaining balance of sales. If his total sales for the month of January was $5,500, how much will he make in commissions?

Can someone me with these two circle theorem questions asap?

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?