Answer:
(A), 21, 22,and 26
Step-by-step explanation:
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Answer: 905 cu. in.
Step-by-step explanation:
volume = (4/3) * π * r³
= (4/3) * π * 216
her comission is $5,220 from the sale of $87,000
(7x^2-2) - (2x^2 - 5x + 3)
Answer:
5(x^2+x-1)
Answer:
The numbers are 27 and 12
Step-by-step explanation:
Let the smaller number be x and the larger number be y.
If the difference between them is 15, then

Also , four times the larger number is nine times the smaller.

From equation (1),

We put the 3rd equation into the 2nd to get:

Expand to get:

Group similar terms



Therefore the larger number is
