How do u solve positive and negative number problems?

You are playing a game where you have 1 4 a chance of winning $500, 1 4 chance of winning $200 and 1 2 chance of losing $375. What is your expected payoff?

Evaluate the expression 7+4b when b = 3

Lashonda is going to watch a movie in her collection. She has action movies, comedies, and dramas. She will randomly select one movie. What is the probability that the movie she selects is not a comedy? Write your answer as a fraction.

Jack's mother gave him 5050 chocolates to give to his friends at his birthday party. He gave 33 chocolates to each of his friends and still had 22 chocolates left. how much freinds did he have over

In addition to the steps in the hierarchy of controls, what should an employer to do prevent or control workplace hazards?

Brianne is three times as old as Camila. Four years from now she will be two-times as old as Camila. How old are Brianne and Camila now?

6/24 divided by 2/8?

Which one of the following decimals in the largest? A:.345 B:.35 C:.33 D:.332

Alex stocks up for winter. He buys 32 cans of vegetables. He pays 80 cents per can for tomatoes and 40 cents per can for corn, for a total cost of $18.00. How many cans of corn does he buy?

4. Seven colored balls (red, blue, yellow, black, brown, white, and orange) are in a bag. A sample of three balls is selected without replacement. How many different samples are possible?