What happens when I have a - x in a equation but I have a positive pair in a graph?

Dan sold half of his comic books and then bought 8 more. He now has 12. How many did he begin with?

Similar figures and indirect measurements

Jimmy collects nickels and dimes. Right now, he has a total of 40 coins in his piggy bank. If there are seven times as many dimes as there are nickels, how many nickels does Jimmy have?

7.4 kg equals how many lbs

What is the value of f (-4) ? f (x) = 5+2|x| f (-4) = ?

Factor 6x^2+11x+4 ... ?

Where would water be placed, if at all, in this Venn diagram? A) on the acid side B) on the base side C) in the middle, within both D) it can't be placed accurately

Andre department is 800 ft.² if you want to carpet 40% of how much carpet will he need

What is three over two multiplied by - 2

Noura runs 3 miles in 20 minutes. what is her rate of speed per minute? what is her rate of speed per hour