If ax2 + bx + c = 0, give the number and type of solutions when A) b2 - 4ac is negative.
B) b2 - 4ac is zero.
C) b2 - 4ac is positive

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

2.5 milligrams is equivalent to how many grams

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3