Answer:
R=9
Step-by-step explanation:
Change the sign of -2 to 2
Add 2 to 7
the solution is in the picture
Answer: h=6
Step-by-step explanation: all you have to do is divide 54 by 9 and you get your answer. But make sure you put h first
120 burgers
1 minute per four burgers
4 times 30 is 120
