This is what I get
First is to get them to perfect squares . R27 = r9^3
S30= s10^3
=(a-b)(a^2+ab+b^2)
Where a=r9 and b=s10 (R9-s10)((r9)^2+r9+s10+(s10)^2) Now simplify To get
(R9-s10)(r18-r9+s10+s20)
Answer:
5p4 = 120
Step-by-step explanation:
nPr
Where n=5 and r =4
(5!) ÷ (5-4)!= (5*4*3*2*1)÷(1)=120
Answer:
it would take 5 dolls cups
