Charles owed $390 to his friend. on the first day charles paid his friend $12. each following week the amount charles paid his friend increased by the same amount. after 10 payments, charles had paid back the full amount. by how much did each payment increase?

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.

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|