What is the quartic root of 64? and how did you figure it out? i'm really confuse on quartic roots.

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Ratio of circumference to diameter example plz i need to now what it looks like.