The result of which expression will best estimate the actual product of (-4/5)(3//7)(5/6)?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

Item 1 which question could the expression 1000n answer? let n = the number of gallons of gas used. how many miles per gallon did the car get driving 1000 miles? let n = the number of grams of food needed for each dog. how many grams of food are needed to feed 1000 dogs? let n = the number of people at the show. how many empty seats were there at the show if there are 1000 seats at the theater? let n = the number of seats at the theater. how many empty seats will there by if 1000 people come to the show?

Lynn says that the product of 4/5 and 5/2 is greater than 4/5.which statement is true?