Get rid of parenthesis.
z + z + 6
Add common terms together.
2z + 6 is an expresssion equivalent to z + (z+6)
Hope this helps!
Answer:
32 60 68
Step-by-step explanation:
These set of numbers are pythagorean triplets
using the formula a2+b2 =c2 with these numbers would give you an accurate relationship in a right angled triangle
The value of the digit is 2 because the value of the 3 is 30 (tens) and if you go one place down you are in the ones
Answer:
240
Step-by-step explanation:

When doing proportions you multiply the numerator of one fraction by the denomenator of the other. Here the available pair is 19.2 and 25. This means that we multiply 19.2 by 25, which equals 480. The next step is to divide by the remaining numerator or denomenator. Here we divide 480 by 2, which equals 240.