Answer: 5 pieces
Step-by-step explanation:
It will take the orchestra 12 minutes to play one piece, and since there are 60 minutes in one hour, we have the following equation:
60/12= 5 pieces in one hour.
-2x-3=8
-2x=8+3
-2x=11
x=-11/2
-2x+4=22
-2x=22-4
-2x=18
x=-9
Answer:
SA = 240
Step-by-step explanation:
SA = (10*10) + (8*10) + (6*10)
SA = 240
Answer:
What is a perfect square trinomial (or possibly triangle).
Step-by-step explanation: