The population of the USA was 328.2 million in 2019. What is this number written in scientific notation? *
3.282 x 10^8
32.82 x 10^6
3.282 x 10^6
32.82 x 10^7

What is the vertex form of f(x) = x2 + 6x + 3

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

(x-5)1/2+5=2 what is possible solution of this equation