A length is measured as 21cm correct to 2 significant figures. what is the lower bound for the length?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)