How can you use factoring to solve quadratic equations in standard form ?

Rounding decimals is very similar to rounding other numbers. if the hundredths and thousandths places of a decimal is forty-nine or less, they are dropped and the tenths place does not change. for example, rounding 0.843 to the nearest tenth would give 0.8. , your welcome !

39 is the answer

C. cos 90 = 0 you can see this in the unit circle

When one person is a tenor.