Mason has four times as many stamps in his collection as his friends Ferdinand and Leonard combined. Ferdinand has 9 stamps in his collection. Mason has 76
stamps in his collection. How many stamps does Leonard have in his collection?
The equation 4(x +9)=76 models this situation. Which choice
shows the sequence of operations needed to solve this problem, using
both arithmetic and algebra?
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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