The abstract science of number, quantity, and space. mathematics may be studied in its own right ( pure mathematics ), or as it is applied to other disciplines such as physics and engineering ( applied mathematics ).
Yes, for fractions you can multiply the denominator by the numerator. For square roots you can use the square root button.
If you flipped the graph y=x^2+2x-2 vertically, you would get the graph y=-(x^2+2x-2) this is True.
The answer is C because 51×-2=-102 and 51×-0.5=-25.5
So it -102+(-25.5) or C