Answer:
50
Step-by-step explanation:
4,500÷90=50
and to check
90×50=4500
Answer:
r = 21
Step-by-step explanation:
nth of sequence P :

: 
Answer:
4x+8
6x-8
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Step-by-step explanation:
a) 4(x + 2)=4x+8
b) 2(3x - 4) =6x-8
c) 4(3 - 6x) 2x + 18-2(2 – 3x)



Answer:
c.
That's because numbers like 2,31, 50 and so on are integers while 2.4, √66 ND so on are not