Answer:
18
Step-by-step explanation:
There are no real roots for a negative number, so -81 has no real roots, if the number is 81 however, then the tow roots are 9
Number of eggs that can be bought from the shop must be in the form
E=4k + 6m + 9n + 20j
I will continue later ~
Answer:
b=6
Step-by-step explanation:
9b-10b=-6+10b-10b
-b=-6 so b=6