Find the missing factor. (2 · 3) + (2 · 9) = ? (3 + 9)

?=12

Hope this helps!

Step-by-step explanation:

2*3=6

2*9=18

6+18=24

3+9=12

24-12=12

?=12

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:

thus, the first answer choice, y = sec x, is the correct one