Anne is building a fence using nails that are 2 1/4 long she drove one of the nails through a board 3/4 in thick into a post 3in square. how far did the nails go into the post? śhow work plz

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais