A science teacher needs to choose 4 students from a class of 20 to go to the library to do some research. How many different groups can be selected?

A.) 3,060

B.) 104,976

C.) None are correct

D.) 73,440

What table represents an exponential function of the form y=b^x when 0

A triangle has side lengths 14,48, and 50 is it an acute angle an obtuse angle a right angle or no solution.

What multiplication number sentence does the array represent?

Factor: 4tan^2x - (4) / (cotx) + sinx (cscx) ... ?

Approximately 105 out of 350 teens have their own savings account. Express the ratio 105:350 as a fraction in simplest form.

The shoe store is having a sale. All items are 30% off the regular price, and the store will pay 1/2 of the sales tax. Sales tax is 8%. How much would you pay for pair of shoes, if the regular price is $50.00?

If there are four boys and two girls in a family what is the ratio of boys in the family to children in the family

What is the quotient of 40,561 divided by 47 (in steps)

Is the lcm of a pair of numbers ever equal to one of the numbers? explain with an example

What is the best measurement unit for an elephant? ...