Briana buys a ring marked $49.99. She receives a 20% discount. Which equation can be used to find the sale price of the ring? A. s = 49.99(0.20)
C. s = 49.99(1.80)
B. s = 49.99(0.80)
D. s = 49.99(1.20)

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Math it's appreciated. (picture provided)