Answer:
455ways
Step-by-step explanation:
This is expressed as 15 C 3 ( C- combination)
The concept of combination is used when we talk about selection.
Now we are selecting 3 from a sample of 15
15 C 3 = 15! / (15-3)! 3! = 15 ×14×13×12!/12!×3×2
= 5 × 7 × 13 = 455ways
Answer: A
Step-by-step explanation: Complementary angles must add up to 90 degrees.
Answer:
y=450+40x y=975-65x
Step-by-step explanation:
at five months they will have the same amount of money in their accounts
Answer:
2000 because you got to subtract
