9 because they’re are the same distance away from 0 on the number just 9 is on the right side of zero and -9 is on the left side of zero
<span> 2*(x+3)*(x-9)
*means multiply</span>
128 at 4 weeks
6 lb 3 oz born
There are 16 ounces in a pound
Multiply 16 by 6 you get 96
Add the three you get 99
He was 99 oz day of his birth
Now subtract the two
128-99
29
He gained 29 ounces
Answer:
A numerical expression in mathematics can be a combination of numbers, integers combined using mathematical operators such as addition, subtraction, multiplication, or division.
