How many diffrent four digit numbers can be made using the digits 1 2 3 4 5 6 if no digit can be used more than once

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.