Evaluate a + b when a = –15.4 and b = –13.5. 28.9 2.9 1.9 –28.9

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

How many grams the dog will eat in 3 days?