Write the first five terms of the sequence an=3n^2

It costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.