Mary made c cookies. She gave ¼ of them to her grandma. Then she ate 2. Write an expression to show how many cookies she has left.

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Graph the equationy= x+3[tex]y = x + 3[/tex]