An artist is using tiles and boards for a project. A tile has length 1/3 ft and width 1/3 ft. A board has length 1/2 yd and width 1/2 yd. What is the ratio of the length of the tile to the length of the board?
What is The ratio of the tile to the area of the board?
(Type the ratio as a simplified fraction.

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

Multiplying an even number of negative numbers gives an answer that is choose from:

What is the missing step in this proof ?