Answer:
1. D
2. C
3. C
4. A
5. B
6. C
7. C
Explanation:
Spatial figures, are defined simply as three-dimensional objects.
An equation, is a mathematical statement that is made up of two expressions connected by an equal sign. For example, 3x – 5 = 16 is an equation.
10,20,25,30 This is an arithmetic sequence since there is a common difference between each term.
In this case, adding 5 to the previous term in the sequence gives the next term.
In other words,
In other words, an = a 1 + d ( n - 1 ) This is the formula of an arithmetic sequence.
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