A card is drawn at random from a standard deck of playing cards (no jokers). If the card is a spade, the player wins $5; if it is not a spade, the player loses $1. What is the expected value of this game?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

4+(2+x) can you me solve this problem