What is please help me figure out how to solve this. Thanks.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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