Suppose the length of a rectangle is estimate to be 4 and the width is estimated to be 7, but suppose each measurement is only accurate within 1 percent. Use linear approximation to find the total possible percent error that these measurements given for the area of the rectangle.

What is the value of x? enter your answer in the box. photo attached.

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

Ineed to know how to write question one in mathematical terms