1) Une raquette de tennis coûte 170 €. Calculer son prix après une remise de 35 %.
2) Une tenue de sport coûtant 82 € est affichée à
69,7 € pendant les soldes.
Quel est le pourcentage de réduction?
3) Après une augmentation de 2,5 %, le loyer d'un
appartement est de 533 €.
Quel était le loyer avant l'augmentation

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

How do u write a function for the reflection across the y axis