Mimi feeds her dog 7.5 lbs of food in a week. she feeds her cat 3.75 lbs of food in a week. how many total lbs of food do her pets eat in a week?

Which statements about these triangles is true

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.