(3-1)² for this question do i first do whats in the brackets to turn it into 2² which would be 4, or would i apply the exponent to each number in the brackets to make it (3²-1²) which would be 8...?

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?