Which of these are mathematical laws that us solve numerical problems

Formulas

Explanation:

Decimals--

The decimals is just a numeral system which is used to represent an integer or an non-integer value.

Graphs--

The graphs are just a visual display of the data values  in the coordinate plane.

Formulas--

It is just a mathematical rule that is expressed in numerals or some other symbols and is used to solve a numerical problem.

Percentage--

In mathematics, a percentage is a number or a ratio expressed as a fraction of 100.

Fractions--

A fraction represent a part of something as a whole.

Formula

Explanation: I took the test on plato and got it correct

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.

i agree so i wont repert this question