Bonjour, je suis en 4ème et j'ai cette exercices à rendre pour la semaine prochaine mais je ni arrive pas du tout quelques peut m'aider s'il vous plaît merci ​

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?