Answer:
9*((2-1)/9)
or
<u>2</u><u> </u><u>-</u>1
9
<u>2-9</u><u> </u>=<u>-7</u>
9. 9
9× <u>-7</u>
9
=<u>-7</u>
<u>2-</u> <u>3</u>
9. -3
=(1.22222222222)
or
11/9
or
1*(2/9)
15 + 20 + 10 = 45 I think hope it helps
Answer:

Step-by-step explanation:

Remove the unnecessary parentheses

Collect like terms


Hope I helped!
Best regards! :D
Answer:

Step-by-step explanation:
When subtracting polynomials, first start with distributing the negative sign to the second polynomial:

Simplify by combining like terms:

Answer:
16 boxes large
Step-by-step explanation:
if the weigth is 1280 wilhich means its 1280÷80 =16