Martha arrived at the dentist's office at 2:30 pm. She didn't get to see the dentist until 2:45 pm. What fraction of an hour did she wait? Reduce your answer to lowest terms

Don't know how to find x given these segment lengths

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

Factor the trinomial below. 12x^2 - 32x - 12 a. 4(3x+3)(x-1) b. 4(3x+1)(x-3) c. 4(3x+6)(x-2) d. 4(3x+2)(x-6)