((12+5)+20÷4))+4
first is parentheses inside out
12+5 = 17
((17)+20÷4))+4
now divide inside the parenthesis
(17+5)+4
next parentheses
22+4
26
Answer: 26
Answer:
$36 left
Step-by-step explanation:
42+37=79
115-79=36
Answer:
#6:
A: 
Step-by-step explanation:
Points: (3, -5) and (-7, -1)
Slope Formula: 



Answer: £14.94
Step-by-step explanation:
36 cartons at £1.56 for 4 = 14.04
2 cartons at £45p = 0.90