At the hardware store 1/2 of the nails are size 2d and 1/3 of the nails are size 4d. what fraction of the nails are either size 2d or 4d?

Pepe is going to spin the following spinner 800 times. the spinner is divided into equal sections.a. exactly 160 timesb. clost to 160 times but probably not exactly 160 timesc. exactly 640 timesd. close to 640 times but not probably not exactly 640 times. me

How do you answer this question? (step by step)

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0