What is the result of subtracting the second equation from the first -2x+7y=10 3x+7y=2

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Ten times the square of a non-zero number is eqaul to ninety times the number