For the diagram shown, select the angle pair that represents each angle type.
Corresponding angles
10
Alternate exterior angles
12
Alternate interior angles
Vertical angles

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?

Which situation is an example of an observational study?

The figure shows the front of a building in the shape of a trapezoid. what is the area of this trapezoid? 102 ft² 132 ft² 168 ft² 204 ft²