Stind ca n! = 1*2*3 * ... n sa se arate ca nr 13!-11! se divide cu 31

What is the distributative answer to 85 divided by 5

How many pieces that are exactly 1/2 ft long can be made from a board that is ft long?

During the landing of the mars science laboratory curiosity, it was reported that the signal from the rover would take 14 minutes to reach earth. Radio signals travel at the speed of light, about 186,000 miles per second.

Calculate the surface area of an open cuboid which is 12 cm long, 8cm wide, 6cm high

One number is 4 more than another. The sum of the numbers is 20. Find the numbers

A small town has only 500 residents. Must there be 2 residents who have the same birthday? Why?

Abby buys 1 sheet of stickers. 5 strips of ten and 9 singles. How many stickers did she buy?

The table shows the side length and approximate area of an octagonal stop sign. Area of a Stop Sign Which function can be used to compute the approximate area, in square inches, of a stop sign if it has a side length of x inches? f (x) = 4.

The volume of a plastic storage cube is 27,000 cubic centimeters. What is the edge length of the storage cube? How do you know?

Which of the following would NOT be the result of a substitution in the following system? 2x + y = 7 y - x = 1 Answers A. 2 (y + 1) + y = 7 B. 2x + x + 1 = 7 C. 7 - 2x - x = 1