How to i add fractions? ex-3/6 + 1/6=4/? i really need i forgot how to add them! do i add the bottom or just the top?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

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