Johnni guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that she got exactly 3 questions correct? Round the answer to the nearest thousandth.

A. 0.004

B. 0.208

C. 0.422

D. 0.792

Making a pillow requires 3/4 yard of fabric. How many pillows can you make with 12 yards of fabric?

At a dinner jay and gia pay for their $22.50 meal with a $20 bill and a $10 bill. The change they recieve consists of a $5 bill, two $1 bills and some coins.

Melissa works after school babysitting. she markes $18 an hour. write an equation that represents the relationship between the independent (h - hours) and dependent variables (p - pay)

Ana is retiring next year from the school that she has taught at for the last 25 years. Her pension pays a monthly salary of $1,562.32. She also receives a monthly income from an IRA that she has made regular monthly payments, in the amount of $230.

In a survey, 44% of the people said they voted for Mr. Johnson, while 2/5 of the people said they voted for Ms. Smith. Which group is larger? Explain.

List all the subsets of {1}

Pat mixed. 85/lb coffee with. 55/lb coffee to form a mixture worth. 75/lb. How many lbs of each should she use to make 120lbs of the mixture?

For an intramural sports program at a particular college, the time to run one mile is recorded for 200 male students in the program. These times are approximately normal with mean 8 minutes and standard deviation 1 minute.

The larger of two numbers is eight more than three times the smaller number. The sum of the two numbers is 48. Find the two numbers

Faça o estudo do sinal da função y = 3x+9 e indique para que valores de x a função é positiva, negativa ou nula: a) positiva x>3, negativa x<3 e nula x=3 b) positiva x>-3, negativa x<-3 e nula x=-3 c) positiva x3 e nula x=3 d) positiva x-3 e nula x=