The diagram below represents the surface of a shelf. 18 in.
20 in.
Which expression could be used to determine the value of y?

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation:

y - 25 = 2 ( x - 10 ) should be the answer