Hi
<u>The area of a triangle is </u>

If we plug in the given values, we get:

Multiply in the numerator:

Divide:

Therefore, the area of the triangle is 35 inches squared.
Use a number line to add and subtract. With multiplying and dividing just do it like a whole number. But remember, you take the sign of the larger number (example: -20 + 9 = -29). And when there is two negatives (interger)it equals a positive.I hope this helps!
Nothing times itself will equal 29, but in decimal form only is 5.38
Yes. in math you will get to a point where you will have to use ratios to do rates they kind of the same thing.