What is the area of the figure? Round to the nearest tenth

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

The area of each triangle is 7 square units. the surface area of the triangular prism is