PLEASE HELP IM TROUBLED! WILL GIVE BRAINLIEST TO BEST ANSWER! 20 POINTS Multiplicative inverses (reciprocals) are two number whose product is 1. Which pair of numbers are multiplicative inverses?

Group of answer choices

0 and 1

0.25 and 4

1/2 and 1/2

3 and -3

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Hello, i need compare km^2 and km. what's difference in this?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat