Abox is filled with 7 brown cards, 3 yellow cards, and 8 red cards. a card is chosen at random from the box. what is the probability that the card is not yellow?

What is the volume of the sphere shown below with a radius of 3?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?