To the nearest hundred, what is the greatest whole number that rounds to 2,500

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)