A cash register contains $20 bills and $50 bills with a total value of $810. if there are 21 bills total, then how many of each does the register contain?

How to find the median of 26,34,38,49,65,75,81

Select the fraction that is equivalent to 2/5

Which of the following is irrational? A. 7.51 ... x - 4 B. root 16 + 3/4 C. root 3 + 8.486 D. 8 2/3 x 17.75

What equation can you use to make 10, 4, 3, 2, and 1 to equal 40

To the nearest tenth find the area of a circle, with a diameter of 18 meters. Use 3.14 for pi

What is the result of converting 6 inches into centimeters

Elizabeth is waiting for her flight at the airport. She decides to conduct an experiment. She wants to know how many people at the airport carry a laptop with them for their flight. She sees 50 people walk past her as she waits.

What is 6.3 : (6.03)

Need steps to solve this problem 5e+8f + (-2) e-12f

You drive 70 miles per hour but then slow your speed by 15 miles per hour. you then return to your speed of 70 miles per hour. which expression shows how your speed changed?