a) 7! = 7*6*5*4*3*2*1 = 5040 different ways
b) 7C4 = 7! / (4!3!) = (7*6*5) / (3*2*1) = 35 ways
c) See above 4*3*2*1 = 24 ways
Start off with a chart (you don't really need to but it helps)
Piano lessons 5,10,15,20,25,30
Cooking Classes 6,12,18,24,30
every 30 days, you have both lessons so you will have them on the 60th day
Answer:
Step-by-step explanation:
i believe the answer is a
Answer:
2.5 tons
Step-by-step explanation:
I just converted using the unit graph