Twelve more than seven times a number equals the number less six. Solve the equation 7x+12=x−6 to find the number, x . x= __

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

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.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?