14 points Write a ratio, in simpliest form that compares the two quantities show your work 400m to 1km

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

What is the correct decimal form of 12%