How many significant figures does 0.0560 have?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

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?