First do parenthesis the multiplication then add
9+15=24*3=72+2=74 :)hope this helps
Greatest to least is
52,37,2,-55 if you want least to greatest just reverse it
52,37,2 are whole numbers and natural numbers
While -55 is a negative number
They all are rational number
Its a multiplication by -3 on each term, so I think you're gonna answer is by r=-3, maybe?
Answer:
Step-by-step explanation:
Using formula 
a= 650
b= 800
and c is the unkown