A jar contains red, white, and blue marbles. One-fifth of the marbles are red and one-fourth of the marbles are white. THere are 20 red marbles in the jar. HOw many blue marbles are in the jar?

Judy got 60 marks in test 1. She got 40 marks in test 2. What are her average marks in both tests?

What is the difference? StartFraction x Over x squared + 3 x + 2 EndFraction minus StartFraction 1 Over (x + 2) (x + 1) EndFraction options A) StartFraction x minus 1 Over 6 x + 4 EndFraction B) StartFraction negative 1 Over 4 x + 2 EndFraction C)

There are 684 g of cereal in a family-size box of raisin bran. The box contains 12 servings. How many ounces is one serving? There are ounces in one serving. (Round to two decimal places as needed.)

Y=6*46x for x=-3 = ? a) 3/32 b) 3/8 c) - 72 d) 3/128

Consider the following systems of linear inequalities. x+2y=>10 3x-4y>12 Which of the following ordered pairs are a solution to the systems

Assume running consumes 108 calories per mile. If you run 11 - minute mile what is your average power output, in watts, during a 2-hour run?

You find that your watch gain 2 minutes in 6 hours. how will it gain in 3 days?

A car traveled 27.5 miles in 30 minutes how many miles per hour was it travel

In a marketing class of 60 students, the mean and the standard deviation of scores was 70 and 5, respectively. Use Chebyshev's theorem to determine the number of students who scored less than 60 or more than 80.

A store sells a television for $1000. Customers can choose to receive a 10% discount and pay it off with a loan at a simple interest rate of 4%, or they can choose to pay full price and pay it off in 3 years with no interest.