Answer:
a)360 blocks are placed in 
rows
b)There are 
in the top row.
Explanation:
From the question, we can deducted that there is decrease in the number of rows by 1 from 30 to some number of rows .
Let denote the number of rows as 'n'
Given:
Sn = 360
a = 30
d = -1.
To calculate Sn, we will make use of formula below;
Sn = n/2 (2a + (n - 1)d )
CHECK THE ATTACHMENT FOR DETAILED EXPLANATION
The balfour declaration proclaim : C. British support the creation of a jewish state in Palestine
The balfour declaration was created in november 1917, which content basically showed that the British Favoured a Jewish homeland in Palestine and therefore support the creation of a Jewish state in Palestine
<span>The one can be seen under the implementation of practical socialism is C, jobs for the unemployment through a public works program. Socialism is a scope of financial and social frameworks described by social possession and majority rule control of the methods for a generation; and additionally the political belief systems, speculations, and developments that intend to build up to them.</span>
