QU on 2 (4 points)
(05.03)
An irregular polygon is shown below:
4 units
2 units
4 units
9 units
The area of the irregular polygon is
square units. (4 points)
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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?