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Answered a Question in Math
a^2  b^2 is the difference of two perfect squares. When you have the difference of two squares they can factor into two binomials (a...

Answered a Question in Math
The easiest way I have for knowing the difference between linear and nonlinear is the exponent value on the variable...

Answered a Question in Math
If Honolulu can be 81 degrees, then Juneau is 2(81)  115, according to the way your problem reads.
Because Juneau is AT LEAST...

Answered a Question in Math
4000 * 10^2 is the same as 4 * 10^5, but the problem is that 4000 * 10^ 2 is no longer in scientific notation. A number is only in...

Answered a Question in History
To answer your question it is best to look back at the history of the automobile. The automobile or horseless carriage has a history...

Answered a Question in Math
With percent questions the best way to do it is to use the formula %/100 = is/of. I teach my students this and it works every...

Answered a Question in Math
When you have an object that is a certain percent of one metal combined with a second metal we can see then how the two metals work...

Answered a Question in Math
When you have the situation of 3/a all raised to the negative 4, you need to apply the –4 exponent to both the 3 and the “a”.
... 
Answered a Question in Math
Whenever you are given two points, start by naming the points. (2, 9) becomes (x1, y1); then (1, 3) becomes (x2, y2). When you know...

Answered a Question in Math
Your son is not alone with the confussion. He simply needs to remember that when two fractions have uncommon denomiators they can...