The coordinate grid below shows triangle abc and its image after translation, triangle a'b'c':
-7-6-5-4-3-2-1
which of the following completes the rule for this translation, (x, y) + (x + 8,
)? (5 points)
oy - 8
oy - 3
y + 8

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?