Answer:
x = 12
Step-by-step explanation:
Pythagorean triplet
12,16,20
So, the value of x is 12
x + 256 = 400
x = 400 - 256
x = 144
The square of 12 is 144
Answer:
C. 56
Step-by-step explanation:
7*8=56
Answer:

Step-by-step explanation:
Given


Required
Find b
implies that:


Collect like terms


Answer:
a system of government by the whole population or all the eligible members of a state, typically through elected representatives. The United States is one of the world's developed democracies where third parties have the least political influence. The federal entity created by the U.S. Constitution is the dominant feature of the American governmental system.
Step-by-step explanation:
Answer: 21.182
Step-by-step explanation: