Consider the following statement. ∀a ∈ Z, (a − 1) a is not an integer. Select the correct negation for this statement.

a. For every integer a, a − 1/a is an integer.
b. For every integer a, a − 1 /a is not an integer.
c. There is an integer a such that a − 1/ a is an integer.
d. There is an integer a such that a − 1 /a is not an integer.

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.