Tennis socks have been discounted and are only $4.79 this week. They usually cost $7.99. What percentage is the discount?

The 2-year discount factor is 0.80. a. What is the present value of $1 to be received in year 2? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b.

What is the greatest common factor of 21 and 27?

A particular computer takes 43 nanoseconds to carry out five sums and seven products. It takes 36 nanoseconds to carry out four sums and six products. How long does the computer take to carry out one sum? To carry out one product?

A circle has a radius of 10 meters and a central angle AOB that measures 140 degrees. What is the area of sector AOB? Use 3.14 for pi and round your answer to the nearest tenth. a. 6.1mB. 12.2m c. 30.5mD. 122.1m

Use synthetic division to divide (x3 12x2 38x 26) : (x 4).

The sum of two rational numbers will always be an irrational number. an integer. a rational number. a whole number.

A room has 3 lamps. From a collection of 12 light bulbs of which 5 are not working, Richard selects 3 at random and puts them in the sockets. What is the probability that he will have light? ... ?

What is the definition of the determinant

Three less than a number is twelve

The vertex of a parabola is (-2, - 20), and its y-intercept is (0, - 12). the equation of the parabola is y = _x^2 _x _.