1) sam has 128 marbles . how many hundreds are in this number? 2)write a number with the digit 8 in the tens place.

There are 100 hundreds in this number, and the number with the 8 in the tens place is  any number with the digit 8 in the tens place  

: 583, 4,085, 307,583           it says A number so it can be any number but it has to have a 8 in the tens place.

x+2-1-(x+2)

Step-by-step explanation:

x+2−1−(x+2)

Distribute the Negative Sign:

=x+2−1+−1(x+2)

=x+2+−1+−1x+(−1)(2)

=x+2+−1+−x+−2

Combine Like Terms:

=x+2+−1+−x+−2

=(x+−x)+(2+−1+−2)

=−1