A sales tax is a tax on goods and purchases.
Answer:
C. High-tech.
Explanation:
High-tech can be defined as the use of the latest or most advanced technology. High-tech is simply a short word for high technology and it comprises of a cutting edge or frontier technology by virtue of the use of the latest or most advanced technology available to users.
This ultimately implies that, a high technology (High-tech) typically involves the process of using complex computer systems, electronics or tools that are considered to be the latest or most advanced in the technology industry.
<em>Some examples of high-tech products are smart televisions, capsule endoscopy, smartphones, electric cars, etc. </em>
Answer:
b. Sunlight
Explanation:
A renewable resource is a resource that can be instantly replaced upon use. Sunlight gets its energy from the sun, which continuously shoot out sunlight throughout time. This means that as long as that part of the earth is facing the sun, they will continue to obtain solar energy. This makes sunlight a renewable resource.
The choices are:
A. ) standardization.
B) predictive validity.
C) reliability.
<span>D) content validity.
The answer is A. standardization. He was comparing his score to other average test-takers. From there he could reflect if the test is a standard exam for Math. He most probably would see average test takers get approximately at least his score. </span>
a. Let's set a=3, b=1
In other words 
is odd, i.e. has remainder 1 when divided by 2. 
b. Let
There are 2n terms in the last factor. All the terms of the form
are odd. So when we add up an even number of them, we get an even number, call it 2m.
We've shown 
is divisible by four. 
Merry Christmas!
