Evaluate the expression for the given value of variable. 16 - 3b for b = 4

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.

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Write the equation of the circle centered at (10,-2) with radius 2