<u>Answer:</u>
$0.75
<u>Step-by-step explanation:</u>
$3.45 ÷ 34 lb. = $0.10 per pound (rounded)
$0.10 x 7.5 = $0.75
It would cost $0.75 to buy 7.5 lbs of chopped walnuts
<em>I'm sorry if wrong! You are loved and you are beautiful/handsome!</em>
-Bee
Answer:

Step-by-step explanation:

4(0.5x + 2.5y - 0.7y - 1.3y + 4)
multiply 4 by all in parentheses
(4*0.5x)+(4*2.5y)+(4*-7y)+(4*-1.3y)+(4*4
=2x+10y-28y-5.2y+16
combine like terms
=2x-23.2y+16
ANSWER:
Expression simplified 2x-23.2y+16
Hope this helps! :)
-4 + -7= -11
When adding negative numbers if the are both negative then you add them. When you have a negative and a positive you subtract. In this problem they just took out the plus sign.