Ms. green earns $980 per week for 40 hours of work. she earns $1.5 times her hourly rate for working any hours over 40 hours in a week.

-60.75

step-by-step explanation:

just add the numbers then put the negative sign on it

step-by-step explanation:

(3rd option) - c

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?

answer is

b.

1.67

hope you get this right.