How do I write 3,000,000 in decimal form?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements