10 P/1 Metropolitan High School sells sweatshirts and t-shirts at each athletic event. During the first event, they sold 12 sweatshirts and 8 t-shirts for a total of $312. The school took in $300 during a second event by selling 8 sweatshirts and 13 t-shirts. What is the price of one sweatshirt and one t-shirt? enter answer as an ordered pair (price of a sweatshirt, price of a t-shirt) ​

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?