I really need help please
3. (x-5)(x-2)=0
4.(x-1)(x-6)=0
5.(x+3)(x-7)=0
6(x-12)(x+5)=0

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

What is the slope of (0,32) and (100,212)

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.