1 Pour propulser des billes, Luc a construit un plan incliné
de 30° dont la base mesure
15 cm de long.
Quelle est la longueur
de la pente ? Donne
30°
l'arrondi au millimètre.

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Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Ineed no it anyone can see this