12 Ascuba diver descended 12 feet below sea level. Then, he descende
scuba diver after both descents?
37
OA. The location of the scuba diver in relation to sea level was 15
60
ОВ.
The location of the scuba diver in relation to sea level was -9 13
OC
The location of the scuba diver in relation to sea level was –15 %
OD. The location of the scuba diver in relation to sea level was 9 18 to

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?