Brianna used two congruent parallelograms and a square to create the
figure shown.

What is the pattern in the values as the exponents increase?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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?