Answer:
24. because 2009-2005+20 = 24. hope that helps
Answer:
x = -11, y = 10, z = 4
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
It might be 7ab
Hope this helps!
Answer:
8 shelves
Step-by-step explanation:
As 28 multiple by 2 is 224 and 28*9 is 252 so she will have 8 full shelves