The best way to do this is with a simple ratio. If you pay $3 for one meter, then for 4 meters, you’d pay $12. You BOUGHT 4 times more cord, which means you’d PAY 4 times more. Thus, 3 x 4 = 12!
Absolute value is how far away a number is from zero on the number line so -32 and 32 have the same absolute value and for number 2 i agree necause 30 is closer to zero than 32