Is it true that a number is divisible by 18 if the sum of all of its digits is divisible by 18?

Which statements are true about additional information for proving that the triangles are congruent check all that apply

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12