Answer:
-7.5x3+(20+2.5)=0
this one is equal to 0 ;)
Answer:
2520 patterns
Step-by-step explanation:
In 'n' 10! ways, books can be arranged. But, there are also 5! permutation of blue books 'n1', 2! permutation of identical green books 'n2', and 3! permutation identical black books 'n3'.
Therefore, for non identical arrangements:

= 2520
Therefore, the books can be arranged on a shelf in 2520 patterns
Answer:
Step-by-step explanation: Your not the boss of me!!!!
You subtract the intial from the final. your answer is0.94grams
4h+9
We can plug 4 into h to result in this expression:
4*4+9
16+9=
25