What is the smallest 9 digit number of the form aaa, aaa, aaa such that it is divisible by 9? (Notice that all the digits of this number must be the same!)

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

Plz hurry evaluate the expression a+b where a=8 and b=19