What is the image of (-4,-12) after dilation by a scale factor of the fraction one fourth centered at the origin

Elijah brought a total of 16 pounds of peanuts and cashew nuts and paid $49.50. if peanuts cost $2.75 per pound and cashew nuts cost $3.25 per pound, how many pounds of cashew nuts did he buy?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

If a is a nonzero real number then the reciprocal of a is