Factor. x2−3x−28 (x+4)(x−7) (x−4)(x+7) (x−4)(x−7) (x+4)(x+7)

What is 140% of 25? because i need

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start

Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?