Klaus was replacing the roof on his house. he used 420 nails to attach all the pieces of wood. each piece of wood needed 7 nails to hold it in place. he used 40 piece es of wood. how many pieces were left?

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

Why do interests rates on loans to be lower in a weak economy than in a strong one

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.