What is a simpler form of
5n(3n³−n²+8) ?

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

What is the difference between the equations of a vertical and a horizontal line?