The radius of a truck wheel is 3ft what is the approximate circumstances of the truck wheel A. 6ft B. 9ft C. 19ft D. 28ft Please hurry it’s due soon

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Could someone with number 1 and 2

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how